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身為一個熱愛美食、喜歡在城市裡挖掘驚喜的人,臺中公益路一直是我最常出沒的地方之一。這條路可說是「臺中人的美食戰場」,從精緻西餐到創意火鍋,從日式丼飯到義式早午餐,每走幾步,就會有完全不同的特色料理餐廳。 這次我特別花了一整個月,實際造訪了公益路上十間口碑不錯的餐廳。有的是網友熱推的打卡名店,也有隱藏在巷弄裡的小驚喜。我以環境氛圍、口味表現、價格CP值與再訪意願為基準,整理出這篇實測評比。希望能幫正在猶豫去哪裡吃飯的你,找到那一間「吃完會想再來」的餐廳。 評比標準與整理方向
這次我走訪的10家餐廳橫跨不同料理類型,從高質感牛排館到巷弄系早午餐,每一間都有自己獨特的風格。為了讓整體比較更客觀,我依照以下四大面向進行評比,並搭配實際用餐體驗來打分。
整體而言,我希望這份評比不只是「哪家好吃」,而是幫你在不同情境下(約會、家庭聚餐、朋友小聚、商業午餐)都能快速找到合適的選擇。畢竟,美食不只是味覺的滿足,更是一段段與朋友共享的生活記憶。 10間臺中公益路餐廳評比懶人包公益路向來是臺中人聚餐的首選地段,從火鍋、燒肉到中式料理與早午餐,每走幾步就有驚喜。以下是我實際造訪過的10間代表性餐廳清單,橫跨平價、創意、高級各路風格。
一頭牛日式燒肉|炭香濃郁的和牛饗宴,約會聚餐首選
走在公益路上,很難不被 一頭牛日式燒肉 的木質外觀吸引。低調卻不失質感的門面,搭配昏黃燈光與暖色調的內裝,讓人一進門就感受到濃濃的日式職人氛圍。店內空間不大,但桌距規劃得宜,每桌皆設有獨立排煙設備,烤肉時完全不怕滿身油煙味。 餐點特色
一頭牛的靈魂,絕對是他們招牌的「三國和牛拼盤」。 用餐體驗整體節奏掌握得非常好。店員會在你剛想烤下一片肉時貼心遞上夾子、幫忙換烤網,讓人完全不用分心。整場用餐過程就像一場表演,從視覺、嗅覺到味覺都被滿足。 綜合評分
地址:408臺中市南屯區公益路二段162號電話:04-23206800 小結語一頭牛日式燒肉不僅是「吃肉的地方」,更像是一場五感盛宴。從進門那一刻到最後一道甜點,都能感受到他們對細節的用心。 TANG Zhan 湯棧|文青系火鍋代表,麻香湯底與視覺美感並重
在公益路這條美食戰線上,TANG Zhan 湯棧 是讓人一眼就會想走進去的那一種。 餐點特色
湯棧最有名的當然是它的「麻香鍋」。 用餐體驗整體氛圍比一般火鍋店更有質感。 綜合評分
地址:408臺中市南屯區公益路二段248號電話:04-22580617 官網:https://www.facebook.com/TangZhan.tw/ 小結語TANG Zhan 湯棧 把傳統火鍋做出新的樣貌保留臺式鍋物的溫度,又結合現代風格與細節服務,讓吃鍋這件事變得更有品味。 如果你想找一間兼具「好吃、好拍、好放鬆」的火鍋店,湯棧會是公益路上最有風格的選擇之一。 NINI 尼尼臺中店|明亮寬敞的義式早午餐天堂
如果說前兩間是肉食愛好者的天堂,那 NINI 尼尼臺中店 絕對是想放鬆、聊聊天的好地方。餐廳外觀以白色系與大片玻璃窗為主,陽光灑進室內,讓人一踏入就有種度假般的輕盈感。假日早午餐時段特別熱鬧,建議提早訂位。 餐點特色
NINI 的菜單融合義式與臺灣人口味,選擇多樣且份量十足。主打的 松露燉飯 濃郁卻不膩口,米芯保留微Q口感;而 香蒜海鮮義大利麵 則以新鮮白蝦、花枝與淡菜搭配微辣蒜香,口感層次豐富。 用餐體驗店內氣氛輕鬆不拘謹,無論是一個人帶電腦工作、或朋友聚餐,都能找到舒服角落。餐點上桌速度穩定,服務人員態度親切、補水與收盤都非常主動。整體節奏讓人覺得「時間變慢了」,很適合想遠離忙碌日常的人。 綜合評分
地址:40861臺中市南屯區公益路二段18號電話:04-23288498 小結語NINI 尼尼臺中店是一間能讓人放下手機、慢慢吃飯的餐廳。餐點不追求浮誇,而是以「剛剛好」的份量與風味,陪伴每個平凡午後。如果你在找一間能邊吃邊聊天、拍照也漂亮的早午餐店,NINI 會是你在公益路上最不費力的幸福選擇。 加分100%浜中特選昆布鍋物|平價卻用心的湯頭系火鍋,家庭聚餐好選擇
在公益路這條高質感餐廳林立的戰場上,加分100%浜中特選昆布鍋物 走的是截然不同的路線。它沒有浮誇的裝潢、也沒有高價位的套餐,但靠著實在的湯頭與親切的服務,默默吸引許多回頭客。每到用餐時間,總能看到家庭或情侶三兩成群地圍著鍋邊聊天。 餐點特色
主打 北海道浜中昆布湯底,湯頭清澈卻不單薄,越煮越能喝出海藻與柴魚的自然香氣。 用餐體驗整體氛圍偏家庭取向,桌距寬敞、座位舒適,帶小孩來也不覺擁擠。店員態度親切,補湯、收盤都很勤快,給人一種「被照顧著」的安心感。 綜合評分
地址:403臺中市西區公益路288號電話:0910855180 小結語加分100%浜中特選昆布鍋物是一間「不浮誇、但會讓人想再訪」的火鍋店。它不追求豪華擺盤,而是用最簡單的湯頭與新鮮食材,傳遞出家常卻不平凡的溫度。 印月餐廳|中式料理的藝術演繹,宴客與家庭聚會首選
說到臺中公益路的中式料理代表,印月餐廳 絕對是榜上有名。這間開業多年的餐廳以「中菜西吃」的概念聞名,把傳統中式料理以現代手法重新詮釋。從建築外觀到餐具擺設,每個細節都散發著低調的典雅氣息。 餐點特色
印月最令人印象深刻的是他們將傳統中菜融入創意手法。 用餐體驗服務方面完全對得起餐廳的高級定位。從入座、點餐到上菜節奏,都拿捏得恰如其分。每道菜都會有服務人員細心介紹食材與吃法,讓人感受到「被款待」的尊榮感。 綜合評分
地址:408臺中市南屯區公益路二段818號電話:0422511155 小結語印月餐廳是一間「不只吃飯,更像品味生活」的地方。 KoDō 和牛燒肉|極致職人精神,專為儀式感與頂級味覺而生
若要形容 KoDō 和牛燒肉 的用餐體驗,一句話足以總結——「像在欣賞一場關於肉的表演」。 餐點特色
這裡主打 日本A5和牛冷藏肉,以「精切厚燒」的方式呈現。 用餐體驗KoDō 的最大特色是「儀式感」。 綜合評分
地址:403臺中市西區公益路260號電話:0423220312 官網:https://www.facebook.com/kodo2018/ 小結語KoDō 和牛燒肉不是日常餐廳,而是一場體驗。 永心鳳茶|在茶香裡用餐的優雅時光,臺味早午餐的新詮釋
走進 永心鳳茶公益店,彷彿進入一間有氣質的茶館。 餐點特色
永心鳳茶的餐點結合中式靈魂與西式擺盤,無論是「炸雞腿飯」還是「紅玉紅茶拿鐵」,都能讓人感受到熟悉卻不平凡的味道。 用餐體驗店內服務人員態度溫和,對茶品介紹詳盡。上餐節奏剛好,不急不徐。 綜合評分
地址:40360臺中市西區公益路68號三樓(勤美誠品)電話:0423221118 小結語永心鳳茶讓人重新定義「臺味」。 三希樓|老饕級江浙功夫菜,穩重又帶人情味的中式饗宴
位於公益路上的 三希樓 是許多臺中老饕的口袋名單。 餐點特色
三希樓的菜色以 江浙與港式料理 為主,兼顧傳統與現代風味。 用餐體驗三希樓的服務給人一種老派但貼心的感覺。 綜合評分
地址:408臺中市南屯區公益路二段95號電話:0423202322 官網:https://www.sanxilou.com.tw/ 小結語三希樓是一間「吃得出功夫」的餐廳。 一笈壽司|低調奢華的無菜單日料,職人手藝詮釋旬味極致
在熱鬧的公益路上,一笈壽司 低調得幾乎不顯眼。 餐點特色
一笈壽司採 Omakase(無菜單料理) 形式,每一餐都由主廚根據當日食材設計。 用餐體驗整場用餐約90分鐘,節奏緩慢但沉穩。 綜合評分
地址:408臺中市南屯區公益路二段25號電話:0423206368 官網:https://www.facebook.com/YIJI.sushi/ 小結語一笈壽司是一間真正讓人「放慢呼吸」的餐廳。 茶六燒肉堂|人氣爆棚的和牛燒肉聖地,肉香與幸福感同時滿分
若要票選公益路上「最難訂位」的餐廳,茶六燒肉堂 絕對名列前茅。 餐點特色
茶六主打 和牛燒肉套餐,價格約落在 $700–$1000 間,份量與品質兼具。 用餐體驗茶六的服務效率相當高。店員親切、換網勤快、補水速度快,整場用餐流程流暢無壓力。 綜合評分
地址:403臺中市西區公益路268號電話:0423281167 官網:https://inline.app/booking/-L93VSXuz8o86ahWDRg0:inline-live-karuizawa/-LUYUEIOYwa7GCUpAFWA 小結語茶六燒肉堂用「穩定品質+輕奢氛圍」抓住了臺中年輕族群的心。 吃完10家公益路餐廳後的心得與結語吃完這十家餐廳後,臺中公益路不只是一條美食街,而是一段生活風景線。 有的餐廳講究細膩與儀式感,像 一頭牛日式燒肉 與 一笈壽司,讓人感受到食材最純粹的美好 有的則以親切與溫度打動人心,像 加分昆布鍋物、永心鳳茶,讓人明白吃飯不只是為了飽足,而是一種被照顧的幸福。 而像茶六燒肉堂、TANG Zhan 湯棧 這類人氣名店,則用穩定的品質與熱絡的氛圍,成為許多臺中人心中「想吃肉就去那裡」的代名詞。 這十家店,構成了公益路最動人的縮影 有華麗的,也有溫柔的;有傳統的,也有創新的。 每一家都在自己的風格裡發光,讓人吃到的不只是料理,而是一種生活的溫度與節奏。 對我而言,這不僅是一場美食旅程,更是一趟關於「臺中味道」的回憶之旅。 FAQ:關於臺中公益路美食常見問題Q1:公益路哪一區的餐廳最集中? Q2:需要提前訂位嗎? 最後的話若要用一句話形容這趟美食之旅,我會說: 加分100%浜中特選昆布鍋物上餐速度快嗎? 如果你也和我一樣喜歡用味蕾探索一座城市,那就把這篇公益路美食攻略收藏起來吧。三希樓適合跨年聚餐嗎? 無論是約會、慶生、家庭聚餐,或只是想犒賞一下辛苦的自己——這條路上永遠會有一間剛剛好的餐廳在等你。永心鳳茶服務態度如何? 下一餐,不妨從這10家開始。TANG Zhan 湯棧慶生氛圍夠嗎? 打開手機、約上朋友,讓公益路成為你生活裡最容易抵達的小確幸。KoDō 和牛燒肉春酒場面夠體面嗎? 如果你有私心愛店,也歡迎留言分享,印月餐廳單點比較好嗎? 你的推薦,可能讓我下一趟美食旅程變得更精彩。一頭牛日式燒肉套餐劃算嗎? A University of Leeds study found a sharp increase in a rare autoimmune disease during the COVID-19 pandemic, primarily impacting previously unaffected groups. The study, which found a significant correlation with COVID-19 exposure, underscores the need for awareness and rapid treatment to mitigate severe outcomes like lung disease and death. Credit: SciTechDaily Researchers discovered that during the COVID-19 pandemic, there was a surge in a rare autoimmune disease among previously unaffected demographic groups, leading to the deaths of nine patients. The disease is an autoimmune response where the immune system mistakenly attacks its own sentinel proteins, which are help detect viruses. It is predominantly observed in East Asian females and is typically very uncommon in the UK. However, researchers from the University of Leeds and Leeds Teaching Hospitals NHS Trust observed an unprecedented 60 cases in Yorkshire during the pandemic, mainly among white men and women. Their findings were published in The Lancet eBioMedicine. COVID-19 as a Trigger for Autoimmune Response The rise in cases is believed to be triggered by exposure to the COVID-19 virus. This condition manifests through distinctive skin rashes, pneumonia, and interstitial lung disease—a rapidly progressing type of lung inflammation that is often fatal. “Whilst we very occasionally see this disease in the UK, this surge in cases was completely new and very different,” said Principal Investigator Dennis McGonagle, Professor of Investigative Rheumatology at the University of Leeds. “It is important that physicians understand the symptoms so that patients can be quickly referred for treatment and have the best chance of a rapid and full recovery. Lives could undoubtedly be saved but there is a great need for research to try and slow or stop the rapid lung progression that occurs in some patients,” he adds. Understanding MDA5 and Autoimmune Response The immune system contains a protein called MDA5, which helps detect RNA viruses like COVID-19. Normally, this protein helps trigger an immune response in the body, where more of the protein is produced to help fight off the virus. However, sometimes the immune system releases antibodies that mistakenly attack this protein, leading to MDA5 autoimmune diseases such as the rare disease described in this study. The exact cause is not well understood, but scientists believe the virus itself could trigger the response. Autoimmune diseases seen after viral infections have similar features, such as fatigue, joint pain and swelling, skin rashes, and digestive issues. During the COVID-19 pandemic, physicians saw a rare condition in children called multisystem inflammatory syndrome in children (MIS-C) where there was no evidence of active viral infection of the lungs. This MIS-C syndrome affects multiple systems in the body, including the heart, kidneys, brain, skin, eyes, and digestive organs, but typically not the lungs. The disease seen in Yorkshire was dubbed MIP-C (pronounced “mipsy”) because of its similarities to MIS-C in that it occurred around the time of the pandemic but where active infection was usually absent. Case Study and Analysis The 60 patients in the study presented at their GPs or to A&E with a range of symptoms including shortness of breath, muscle pain, rashes, and reduced blood flow to the fingers, known as Raynaud’s disease. These symptoms are associated with autoimmune disease. The patients were referred to rheumatology specialists for further testing and all were diagnosed with the condition. Of the 60 patients, 35 had received COVID-19 vaccinations, and 15 had previously tested positive for COVID-19. However, patients were not systematically tested for COVID-19, and some may have been infected, but were asymptomatic at the time. Such cases could have developed MDA5 disease due to an overreaction of their immune system to minimal exposure to the virus. Twenty-five out of the 60 patients (41.7%) developed interstitial lung disease, and despite treatment with immunosuppressant medication, eight of those patients died. A ninth patient, who did not have interstitial lung disease, died from sepsis. To understand the increase in cases of this rare condition, researchers collected data on the number of these tests between January 2018 and December 2022, alongside data on COVID-19 infections and vaccination, and information about each patient’s symptoms. Analysis showed that just six cases of the rare condition had been diagnosed between 2018 and 2019. However, in the 3 years after 60 new cases appeared, eight cases were diagnosed in 2020; 35 cases were diagnosed in 2021 and 17 cases were diagnosed in 2022. Very few cases have occurred since then. Patient Demographics and Observations Patients ranged in age from 43 to 71, with 36 of them being female. Ethnicity: White: 32 South Asian: 3 Black Caribbean: 2 Black African: 1 Any other ethnic group: 4 Asian (not Chinese): 4 There was no ethnicity data for 14 patients. Researchers noted that there was a strong overlap in 2021 between vaccination rates in Yorkshire and the surge in MDA5 disease cases. This peak, though, also occurred shortly after a community wave of coronavirus infection occurred in late 2021. A smaller overlap was seen between confirmed COVID-19 infection and MDA5. However, it was interesting to note that almost half (42%) of patients were not documented to have been vaccinated against COVID-19 before they tested positive for MDA5. Four children who tested positive for MDA5 were unvaccinated, pointing to the idea of an overreacting immune response after exposure to a virus. McGonagle said: “We know that vaccines can trigger an immune overreaction, but given that not all of these patients were vaccinated against COVID-19, and the increase in cases occurred when the COVID-19 virus was circulating in significant numbers, the evidence strongly suggests that the increase in cases of this rare disease is linked to exposure to the virus.” This work was done in collaboration with Dr Pradipta Ghosh and her team at the University of California, San Diego, who showed that the MDA5 protein was found in higher amounts in patients with COVID-19 and in patients with other diseases involving MDA5. They discovered that this increase was linked to an abnormal immune response that slows the virus’s ability to multiply and spread. Additionally, they found that higher levels of the MDA5 protein were associated with increased levels of Interleukin-15, a protein that activates T-cells, or immune cells. This interaction could be contributing to the autoimmune response. Impact and Significance of Research The study highlights the critical need for awareness among doctors about this condition to ensure prompt diagnosis and treatment, which could mitigate lung damage and save lives. This is especially so in subjects with suspected pneumonia not getting better on therapy and where the rashes, muscle involvement, and other disease features are absent. “We think that this large, unprecedented outbreak of MDA5 disease in Yorkshire will help advance the field to better appreciate the role between viruses and autoimmunity,” said Dr Paula David, the lead author of the study. Dr. Saptarshi Sinha, the co-first author of the paper and the interim director of PreCSN, added: “Here at PreCSN, we enjoy the ability to help researchers such as the McGonagle group dive into big data and find patterns rapidly with precision that allows us to connect the dots. In this case, we are glad we could find a connection between a clinical presentation of autoimmune disease in the backdrop of COVID-19 at a molecular level.” For more on this study, see Entirely New COVID-Related Syndrome Discovered. Reference: “MDA5-autoimmunity and interstitial pneumonitis contemporaneous with the COVID-19 pandemic (MIP-C)” by Paula David, Saptarshi Sinha, Khizer Iqbal, Gabriele De Marco, Sahar Taheri, Ella McLaren, Sheetal Maisuria, Gururaj Arumugakani, Zoe Ash, Catrin Buckley, Lauren Coles, Chamila Hettiarachchi, Emma Payne, Sinisa Savic, Gayle Smithson, Maria Slade, Rahul Shah, Helena Marzo-Ortega, Mansoor Keen, Catherine Lawson, Joanna Mclorinan, Sharmin Nizam, Hanu Reddy, Omer Sharif, Shabina Sultan, Gui Tran, Mark Wood, Samuel Wood, Pradipta Ghosh and Dennis McGonagle, 8 May 2024, eBioMedicine. DOI: 10.1016/j.ebiom.2024.105136 The data was generated by Dr Paula David and Dr Gabriele DeMarco from the University of Leeds’ School of Medicine and the Leeds Teaching Hospitals NHS Trust, with their Trust colleague Dr Khizer Iqbal. Phoneutria boliviensis in the Peruvian Amazon. Credit: N. Hazzi Scientists have found that the venomous spider P. boliviensis is actually two species, correcting misidentifications in venom studies and improving public health insights. Spiders from the genus Phoneutria — also known as banana spiders — are considered aggressive and among the most venomous spiders in the world, with venom that has a neurotoxic action. These large nocturnal spiders usually inhabit environments disturbed by humans and are often found in banana plantations in the Neotropical region. One of these spiders, P. boliviensis, is a medically important species widely distributed in Central and South America, whose behavior, habitat, venom composition, toxicity and bites on humans have already been paid considerable attention in previous research work. Nevertheless, after examining a large pool of museum specimens, biologists from The George Washington University (N. Hazzi and G. Hormiga) began to wonder if samples named P. boliviensis were actually belonging to one and the same species. Everything started when N. Hazzi was examining specimens of banana spiders identified in the past by experts as P. boliviensis. The research team quickly realized that the morphological features currently used to identify this species were not sufficient. Then, they discovered two well-defined morphological groups of P. boliviensis that were separated by the Andean mountain range, a geographic barrier that separates many other species. Genetic and Morphological Evidence Confirms Two Distinct Species To prove that these two “forms” were different species, the authors conducted fieldwork in the Amazon, Andes, and Central America, collecting specimens of these venomous spiders to explore if the genomic signal also suggests two species. They discovered that genetic differences separating these two forms were similar compared to the genetic differences separating other recognized species of banana spiders. Using morphological, genomic and geographic distribution data, the authors concluded that P. boliviensis represents not a single species, but two different ones. They uncovered that the true P. boliviensis was only found in the Amazonian region, and the second species, P. depilata (an old name revalidated by the research team), was found in the Andes, Chocó and Caribbean regions. Their findings are published in the open-access, peer-reviewed journal ZooKeys. To obtain more distribution records for these species, the research team used the citizen science platform iNaturalist. Since the two species are among the few spiders that can be identified using only images, the platform turned out to be a very helpful tool. Data submitted by the iNaturalist community helped identify where the two species of Phoneutria are found. Curiously enough, for these two species, iNaturalist presented higher and more widely distributed records than the scientists’ own database. “To our knowledge, this is the first study that has used iNaturalist to gather occurrence records on venomous species to estimate distribution models,” the researchers say. This is how the two spiders can be distinguished using only photographs: P. boliviensis has two lateral white-yellow bands in the anterior area of the carapace, while P. depilata has four series of yellow dots in the ventral side of the abdomen. In addition, for P. depilata’s identification, information is needed on where the image was taken, because this is the only species of Phoneutria found in the Andes, Chocó, and Central America. However, the most reliable approach to identify these species requires examination under a stereomicroscope. Implications for Venom Studies and Public Health Interestingly, P. depilata has been mislabeled as P. boliviensis throughout many studies, including works on venom composition and toxicity, ecology, geographic distribution, and human epidemiology of bites. There have been human bite records of this species reported in Costa Rica and in banana plantations in Colombia, most of them with mild to moderate envenomation symptoms. Except for brief anecdotal mentions by field explorers in the Amazon, little is known about P. depilata. The study provides detailed diagnoses with images to distinguish both species and distribution maps. “This valuable information will help identify risk areas of accidental bites and assist health professionals in determining the identity of the species involved, especially for P. depilata. This is a significant discovery that will affect studies about toxicology, opening new opportunities to compare the venom composition and the effect of these two species,” the authors conclude. Reference: “Morphological and molecular evidence support the taxonomic separation of the medically important Neotropical spiders Phoneutria depilata (Strand, 1909) and P. boliviensis (F.O. Pickard-Cambridge, 1897) (Araneae, Ctenidae)” by Nicolas A. Hazzi and Gustavo Hormiga, 8 March 2021, ZooKeys. DOI: 10.3897/zookeys.1022.60571 This Jamaican fruit bat, Artibeus jamaicensis, has a short jaw, like many noctilionoid fruit-eating bats. Credit: Alexa Sadier Bats in the noctilionoid group, like Darwin’s finches, have evolved an impressive variety of jaw and tooth adaptations to suit their diverse diets. From fruit to fish, these bats have rapidly changed over millions of years, showcasing how evolution shapes form and function. Scientists are studying their unique dental structures to unlock secrets about mammalian development—including our own teeth.-releases/1006084 The Evolutionary Story of Darwin’s Finches and Noctilionoid Bats Darwin’s finches, native to the Galapagos Islands, played a key role in shaping our understanding of evolution. Each species has a uniquely shaped beak suited to its diet, a discovery that helped Charles Darwin develop his theory of evolution by natural selection. A group of bats shares a similarly remarkable evolutionary journey, but on an even larger scale. Noctilionoid bats, found primarily in the American tropics, include over 200 species. Despite being closely related, their jaws have evolved into a wide variety of shapes and sizes to adapt to different diets. A study published in Nature Communications reveals that these adaptations involve consistent changes in the number, size, shape, and position of their teeth. For instance, bats with shorter snouts tend to lack certain teeth due to limited space, while those with longer jaws can accommodate more teeth. Interestingly, their overall tooth count is similar to that of early placental mammals, including humans. A side-view image of the skull of a greater spear-nosed bat, Phyllostomus hastatus, a noctilionoid species with an omnivorous diet. Credit: Sharlene Santana/University of Washington Insights into Mammalian Facial Evolution According to the research team behind this study, comparing noctilionoid species can reveal a lot about how mammalian faces evolved and developed, particularly jaws and teeth. And as a bonus, they can also answer some outstanding questions about how our own pearly whites form and grow. “Bats have all four types of teeth — incisors, canines, premolars, and molars — just like we do,” said co-author Sharlene Santana, a University of Washington professor of biology and curator of mammals at the Burke Museum of Natural History & Culture. “And noctilionoid bats evolved a huge diversity of diets in as little as 25 million years, which is a very short amount of time for these adaptations to occur.” An extreme case of noctilionoid bats with a fruit-based diet, the wrinkle-faced bat, Centurio senex, has a short bulldog-like snout and reduced numbers of teeth. Credit: Sharlene Santana/University of Washington Rapid Adaptation and Diverse Diets “There are noctilionoid species that have short faces like bulldogs with powerful jaws that can bite the tough exterior of the fruits that they eat. Other species have long snouts to help them drink nectar from flowers. How did this diversity evolve so quickly? What had to change in their jaws and teeth to make this possible?” said lead author Alexa Sadier, an incoming faculty member at the Institute of Evolutionary Science of Montpellier in France, who began this project as a postdoctoral researcher at the University of California, Los Angeles. Scientists don’t know what triggered this frenzy of dietary adaptation in noctilionoid bats. But today different noctilionoid species feast on insects, fruit, nectar, fish, and even blood — since this group also includes the infamous vampire bats. The orange nectar bat, Lonchophylla robusta, is a noctilionoid species that has a longer jaw and drinks nectar. Credit: Sharlene Santana/University of Washington The team used CT scans and other methods to analyze the shapes and sizes of jaws, premolars, and molars in more than 100 noctilionoid species. The bats included both museum specimens and a limited number of wild bats captured for study purposes. The researchers compared the relative sizes of teeth and other cranial features among species with different types of diets, and used mathematical modeling to determine how those differences are generated during development. The pale-faced bat, Phylloderma stenops, is a noctilionoid bat with an omnivorous diet. Credit: Sharlene Santana/University of Washington Developmental Rules Behind Tooth Formation The team found that, in noctilionoid bats, certain “developmental rules” caused them to generate the right assortment of teeth to fit in their diet-formed grins. For example, bats with long jaws — like nectar-feeders — or intermediate jaws, like many insect-eaters, tended to have the usual complement of three premolars and three molars on each side of the jaw. But bats with short jaws, including most fruit-eating bats, tended to ditch the middle premolar or the back molar, if not both. “When you have more space, you can have more teeth,” said Sadier. “But for bats with a shorter space, even though they have a more powerful bite, you simply run out of room for all these teeth.” Having a shorter jaw may also explain why many short-faced bats also tended to have wider front molars. “The first teeth to appear tend to grow bigger since there is not enough space for the next ones to emerge,” said Sadier. The hairy-legged vampire bat, Diphylla ecaudata, feeds primarily on the blood of birds. It is one of three living species of vampire bats — all of them noctilionoid, and all with sharply reduced numbers of teeth and short jaws, likely due to their specialized diet. Credit: Sharlene Santana/University of Washington Uncovering the Genetic Basis of Tooth Development “This project is giving us the opportunity to actually test some of the assumptions that have been made about how tooth growth, shape, and size are regulated in mammals,” said Santana. “We know surprisingly little about how these very important structures develop!” Many studies about mammalian tooth development were done in mice, which have only molars and heavily modified incisors. Scientists are not entirely sure if the genes and developmental patterns that control tooth development in mice also operate in mammals with more “ancestral” sets of chompers — like bats and humans. Bats in Tamana cave, on the Caribbean island of Trinidad. Credit: Alexa Sadier Future Research and Evolutionary Secrets Sadier, Santana, and their colleagues believe their project, which is ongoing, can start to answer these questions in bats — along with many other outstanding questions about how evolution shapes mammalian features. They’re expanding this study to include noctilionoid incisors and canines, and hope to uncover more of the genetic and developmental mechanisms that control tooth development in this diverse group of bats. “We see such strong selective pressures in these bats: Shapes have to closely match their function,” said Santana. “I think there are many more evolutionary secrets hidden in these species.” Reference: “Bat teeth illuminate the diversification of mammalian tooth classes” by Alexa Sadier, Neal Anthwal, Andrew L. Krause, Renaud Dessalles, Michael Lake, Laurent A. Bentolila, Robert Haase, Natalie A. Nieves, Sharlene E. Santana and Karen E. Sears, 22 August 2023, Nature Communications. DOI: 10.1038/s41467-023-40158-4 Co-authors are Neal Anthwal, a research associate at King’s College London; Andrew Krause, an assistant professor at the Durham University in the U.K.; Renaud Dessalles, a mathematician with Green Shield Technology; Robert Haase, a researcher at the Dresden University of Technology in Germany; UCLA research scientists Michael Lake, Laurent Bentolila and Natalie Nieves; and Karen Sears, a professor at UCLA. The research is funded by the National Science Foundation. RRG455KLJIEVEWWF |
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