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文章數：120 |
 一笈壽司甜點好吃嗎？》公益路10家人氣餐廳｜台中美食一網打盡 |
| 興趣嗜好｜偶像追星 2026/05/19 10:24:00 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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%浜中特選昆布鍋物網路評價符合期待嗎？ 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。茶六燒肉堂有提供尾牙方案嗎？ 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。印月餐廳商務聚餐適合嗎？ 下一餐，不妨從這10家開始。NINI 尼尼臺中店用餐時間會不會太短？ 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。加分100%浜中特選昆布鍋物家庭過節聚會適合嗎？ 如果你有私心愛店，也歡迎留言分享，茶六燒肉堂海鮮表現如何？ 你的推薦，可能讓我下一趟美食旅程變得更精彩。加分100%浜中特選昆布鍋物CP 值高嗎？ Studies demonstrate the regeneration of mouse brain circuits with rat stem cells, providing new insights into neurological restoration and cross-species brain development. Credit: SciTechDaily.com Research teams have successfully regenerated mouse brain circuits using rat stem cells, showcasing a new method for restoring brain function and studying interspecies brain development. These findings open up possibilities for treating neurological diseases and understanding brain evolution, while also hinting at future clinical applications and ethical challenges in using similar techniques for human organ transplantation. Scientists Regenerate Neural Pathways in Mice With Cells From Rats Two independent research groups have successfully restored brain circuits in mice using neurons derived from rat stem cells. Recently published in the journal Cell, these studies provide important insights into brain tissue development and open up new possibilities for rejuvenating brain functions lost to diseases and aging. “This research helps to show the brain’s potential flexibility in using synthetic neural circuits to restore brain functions,” says Kristin Baldwin, a professor at Columbia University in New York and corresponding author of one of the two papers. Baldwin’s team restored mouse olfactory neural circuits, the interconnected neurons in the brain responsible for the sense of smell, and their function using stem cells from rats. Mouse hippocampus with rat cells (red) and nuclei of both mouse and rat cells (blue). Credit: M. Khadeesh Imtiaz, Columbia University Irving Medical Center Interspecies Genetic Engineering and Its Implications “Being able to generate brain tissues from one species inside another can help us understand brain development and evolution in different species,” says Jun Wu, an associate professor at the University of Texas Southwestern Medical Center in Dallas and corresponding author of the other paper. Wu’s team developed a CRISPR-based platform that could efficiently identify specific genes that drive the development of specific tissues. They tested the platform by silencing a gene needed for forebrain development in mice and then restoring the tissue using rat stem cells. Mice and rats are two distinct species that evolved independently for approximately 20 to 30 million years. In previous experiments, scientists were able to replace pancreases in mice using rat stem cells through a process called blastocyst complementation. For this process to work, researchers inject rat stem cells into mice blastocysts—early-stage embryos—that lack the ability to develop a pancreas due to genetic mutations. The rat stem cells then developed into the missing pancreas and complemented its function. Breakthroughs in Brain Tissue Regeneration But, to date, generating brain tissues using stem cells from a different species through blastocyst complementation has not been reported. Now, using CRISPR, Wu’s team tested seven different genes and found that knocking out Hesx1 could reliably generate mice that had no forebrain. The team then injected rat stem cells in blastocysts of Hesx1 knockout mice, and the rat cells filled in the niche to form a forebrain in mice. Rats have bigger brains than mice, but the rat-origin forebrains developed at the same pace and size as that of mice. In addition, rat neurons were able to transmit signals to the neighboring mouse neurons and vice versa. The researchers didn’t test whether the forebrain from rat stem cells changed mice’s behaviors. “There’s a lack of good behavioral tests to distinguish rats from mice,” Wu says. “But from our experiment, it seems like these mice with rat forebrain don’t behave out of the ordinary.” Advanced Applications and Future Prospects In the other study, Baldwin’s team used specific genes to either kill or silence mouse olfactory sensory neurons used for the sense of smell and injected rat stem cells into the mice embryos. The silencing model mimics what is seen in neurodevelopmental disorders, where certain neurons cannot communicate well with the brain. The killing model removed the neurons entirely, simulating degenerative diseases. They found blastocyst complementation restored mouse olfactory neural circuits differently depending on the model. When mouse neurons were present but silent, the rat neurons helped form better-organized brain regions compared to the killing model. However, when the team tested these rat-mouse chimeras by training them to find a hidden cookie buried in a cage, rat neurons were best at rescuing behaviors in the killing model. “This really surprising result allows us to look at what’s different between those two disease models and try to identify mechanisms that could help restore functions in either type of brain disease,” Baldwin says. Her team also tested blastocyst complementation in disease-model mice using cells from mice with normal olfactory systems. They showed that intraspecies complementation rescued cookie finding in both models. Exploring the Frontiers of Medical Science “Right now, people are being transplanted with stem cell-derived neurons for Parkinson’s disease and epilepsy in clinical trials. How well will that work? And will different genetic backgrounds between the patient and the transplanted cells pose a barrier? This study provides a system in which we can evaluate the possibilities for same species brain complementation at a much larger scale than a clinical trial,” Baldwin says. Blastocyst complementation is still far from clinical application in humans, but both studies suggest stem cells from different species can synchronize their development with the host’s brain. Scientists have also been experimenting with growing human organs in other species like pigs using blastocyst complementation. Last year, scientists generated embryonic kidneys using human stem cells in pigs, offering a potential solution for the many people on waitlists for transplants. “Our aspiration is to enrich pig organs with a certain percentage of human cells, with the aim of improving outcomes for organ recipients. But currently, there are still many technical and ethical challenges that we need to overcome before we can test this in clinical trials,” says Wu. Besides the studies’ implications in medicine, the teams are also interested in using this approach to study the brains of many wild rodents that were not accessible in the laboratory setting. “There are over 2,000 living rodent species in the world. Many of them behave differently from the rodents we commonly study in the lab. Interspecies neural blastocyst complementation can potentially open the door to study how the brains from those species develop, evolve, and function,” Wu says. For more on this research, see Mice Engineered With Rat Neurons Show Advanced Sensory Skills. References: “Functional sensory circuits built from neurons of two species” by Benjamin T. Throesch, Muhammad Khadeesh bin Imtiaz, Rodrigo Muñoz-Castañeda, Masahiro Sakurai, Andrea L. Hartzell, Kiely N. James, Alberto R. Rodriguez, Greg Martin, Giordano Lippi, Sergey Kupriyanov, Zhuhao Wu, Pavel Osten, Juan Carlos Izpisua Belmonte, Jun Wu and Kristin K. Baldwin, 25 April 2024, Cell. DOI: 10.1016/j.cell.2024.03.042 “Generation of rat forebrain tissues in mice” by Jia Huang, Bingbing He, Xiali Yang, Xin Long, Yinghui Wei, Leijie Li, Min Tang, Yanxia Gao, Yuan Fang, Wenqin Ying, Zikang Wang, Chao Li, Yingsi Zhou, Shuaishuai Li, Linyu Shi, Seungwon Choi, Haibo Zhou, Fan Guo, Hui Yang and Jun Wu, 25 April 2024, Cell. DOI: 10.1016/j.cell.2024.03.017 An illustration by study coauthor Stephanie Gamez depicts flightless females and sterile male mosquitoes, features of the new precision-guided sterile insect technique, or pgSIT, which is designed to control disease-spreading Aedes aegypti mosquitoes. Credit: Stephanie Gamez, UC San Diego CRISPR-based system developed to safely restrain mosquito vectors via sterilization. Leveraging advancements in CRISPR-based genetic engineering, researchers at the University of California San Diego have created a new system that restrains populations of mosquitoes that infect millions each year with debilitating diseases. The new precision-guided sterile insect technique, or pgSIT, alters genes linked to male fertility — creating sterile offspring — and female flight in Aedes aegypti, the mosquito species responsible for spreading wide-ranging diseases including dengue fever, chikungunya, and Zika. “pgSIT is a new scalable genetic control system that uses a CRISPR-based approach to engineer deployable mosquitoes that can suppress populations,” said UC San Diego Biological Sciences Professor Omar Akbari. “Males don’t transmit diseases so the idea is that as you release more and more sterile males, you can suppress the population without relying on harmful chemicals and insecticides.” UC San Diego Postdoctoral Scholar Ming Li, first author of a Nature Communications paper describing a CRISPR-based precision-guided sterile insect technique in Aedes aegypti mosquitoes, shown sorting pgSIT mosquito larvae. Credit: Akbari Lab, UC San Diego Details of the new pgSIT are described September 10, 2021, in the journal Nature Communications. pgSIT differs from “gene drive” systems that could suppress disease vectors by passing desired genetic alterations indefinitely from one generation to the next. Instead, pgSIT uses CRISPR to sterilize male mosquitoes and render female mosquitoes, which spread disease, as flightless. The system is self-limiting and is not predicted to persist or spread in the environment, two important safety features that should enable acceptance for this technology. Akbari says the envisioned pgSIT system could be implemented by deploying eggs of sterile males and flightless females at target locations where mosquito-borne disease spread is occurring. “Supported by mathematical models, we empirically demonstrate that released pgSIT males can compete, and suppress and even eliminate mosquito populations,” the researchers note in the Nature Communications paper. “This platform technology could be used in the field, and adapted to many vectors, for controlling wild populations to curtail disease in a safe, confinable and reversible manner.” Although molecular genetic engineering tools are new, farmers have been sterilizing male insects to protect their crops since at least the 1930s. United States growers in the 1950s began using radiation to sterilize pest species such as the New World Screwworm fly, which is known to destroy livestock. Similar radiation-based methods continue today, along with the use of insecticides. pgSIT is designed as a much more precise and scalable technology since it uses CRISPR—not radiation or chemicals—to alter key mosquito genes. The system is based on a method that was announced by UC San Diego in 2019 by Akbari and his colleagues in the fruit fly Drosophila. As envisioned, Akbari says pgSIT eggs can be shipped to a location threatened by mosquito-borne disease or developed at an on-site facility that could produce the eggs for nearby deployment. Once the pgSIT eggs are released in the wild, typically at a peak rate of 100-200 pgSIT eggs per Aedes aegypti adult, sterile pgSIT males will emerge and eventually mate with females, driving down the wild population as needed. Beyond Aedes aegypti, the researchers believe the pgSIT technology could be directed to other species that spread disease. “… This study suggests pgSIT may be an efficient technology for mosquito population control and the first example of one suited for real-world release,” the researchers say. “Going forward, pgSIT may provide an efficient, safe, scalable, and environmentally friendly alternative next-generation technology for wild population control of mosquitoes resulting in wide-scale prevention of human disease transmission.” Reference: “Suppressing mosquito populations with precision guided sterile males” by Ming Li, Ting Yang, Michelle Bui, Stephanie Gamez, Tyler Wise, Nikolay P. Kandul, Junru Liu, Lenissa Alcantara, Haena Lee, Jyotheeswara R. Edula, Robyn Raban, Yinpeng Zhan, Yijin Wang, Nick DeBeaubien, Jieyan Chen, Héctor M. Sánchez C., Jared B. Bennett, Igor Antoshechkin, Craig Montell, John M. Marshall and Omar S. Akbari, 10 September 2021, Nature Communications. DOI: 10.1038/s41467-021-25421-w The complete list of paper co-authors: Ming Li, Ting Yang, Michelle Bui, Stephanie Gamez, Tyler Wise, Nikolay Kandul, Junru Liu, Lenissa Alcantara, Haena Lee, Jyotheeswara Edula, Robyn Raban, Yinpeng Zhan, Yijin Wang, Nick DeBeaubien, Jieyan Chen, Hector Sanchez C., Jared Bennett, Igor Antoshechkin, Craig Montell, John Marshall and Omar Akbari. Funding for the research was provided by a DARPA Safe Genes Program Grant (HR0011-17-2-0047); the National Institutes of Health (R01AI151004 and R56-AI153334); the U.S. Army Research Office (cooperative agreement W911NF-19-2-0026 for the Institute for Collaborative Biotechnologies); and the Innovative Genomics Institute. Note: Akbari is a co-founder with equity interest, and former consultant, scientific advisory board member and income recipient of Agragene Inc. The so-called capsid protects the genetic information of a virus and is far more flexible than previously thought. Its proteins are organized in hexamers (grey) and pentamers (orange). Credit: Martin Obr, IST Austria Scientists at IST Austria discover how the HIV-related Rous sarcoma virus is assembled driving virus research forward. Viruses are perfect molecular machines. Their only goal is to insert their genetic material into healthy cells and thus multiply. With deadly precision, they thereby can cause diseases that cost millions of lives and keep the world on edge. One example of such a virus, although currently less discussed, is HIV that causes the ongoing global AIDS epidemic. Despite the progress made in recent years, 690,000 people died in 2019 alone as a result of the virus infection. “If you want to know the enemy, you have to know all its friends,” says Martin Obr, postdoc at the Schur group at IST Austria. Together with his colleagues, he therefore studies a virus belonging to the same family as HIV — the Rous sarcoma virus, a virus causing cancer in poultry. With its help, he now gained new insights into the important role a small molecule plays in the assembly of these types of viruses. The proteins of the virus capsid, which contains the genetic information, are much more flexible in their shape than previously thought. The small IP6 molecules (0:38) stabilize the protein hexamers (grey) and pentamers (orange). Credit: Marti Obr, IST Austria Protecting the virus blueprint In their study, published in the journal Nature Communications, the team together with collaborators at Cornell University and the University of Missouri focused on the late phase of retrovirus replication. “It is a long way from an infected cell to the mature virus particle that can infect another cell,” explains first author Martin Obr. By further developing cryo-electron tomography, postdoc Martin Obr was able to gain new insights into how viruses protect their genetic material. Credit: IST Austria A new particle buds from the cell in an immature, non-infectious state. It then forms a protective shell, a so-called capsid, around its genetic information and becomes infectious. This protective shell consists of a protein, which is organized in hexamers and a few pentamers. The team discovered that a small molecule called IP6 plays a major role in stabilizing the protein shell within the Rous sarcoma virus. “If the protective shell is not stable, the genetic information of the virus could be released prematurely and will be destroyed, but if it’s too stable the genome can’t exit at all and, therefore, becomes useless,” says Assistant Professor Florian Schur. In a previous study, he and his colleagues were able to show IP6 is important in the assembly of HIV. Now, the team proved it to be as important in other retroviruses showing just how essential the small molecule is in the virus life cycle. “When building a car, you have all these big metal parts, like the hood, the roof, and the doors — the screws are connecting everything. In our case, the big parts are the capsid proteins and the IP6 molecules are the screws,” says Obr. Unexpected flexibility Further developing cryo-electron tomography, a technique that allows scientists to look at extremely small samples in their natural state, the team was able to see how variable the shapes formed by capsid proteins are. “Now we ask ourselves: Why does the virus change the shape of its capsid? What is it adapting to?” says postdoc Martin Obr. Different capsid shapes within the same type of virus could point to differences in the infectivity of virus particles. “Whatever happens, happens for a reason but there is no clear answer yet,” says Florian Schur. Further developing the technology to get to the bottom of these highly optimized pathogens remains a challenging and fascinating task for the scientists. Reference: “Structure of the mature Rous sarcoma virus lattice reveals a role for IP6 in the formation of the capsid hexamer” by Martin Obr, Clifton L. Ricana, Nadia Nikulin, Jon-Philip R. Feathers, Marco Klanschnig, Andreas Thader, Marc C. Johnson, Volker M. Vogt, Florian K. M. Schur & Robert A. Dick, 28 May 2021, Nature Communications. DOI: 10.1038/s41467-021-23506-0 RRG455KLJIEVEWWF |
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