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文章數：72 |
 一頭牛日式燒肉調味偏重嗎？》公益路10家人氣餐廳｜台中美食一網打盡 |
| 時事評論｜雜論 2026/04/20 11:55:43 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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： 永心鳳茶值得排隊嗎？ 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。印月餐廳尾牙聚餐表現如何？ 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。一笈壽司團體宴客合適嗎？ 下一餐，不妨從這10家開始。三希樓甜點好吃嗎？ 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 和牛燒肉適合約會嗎？ 如果你有私心愛店，也歡迎留言分享，三希樓商務聚餐適合嗎？ 你的推薦，可能讓我下一趟美食旅程變得更精彩。茶六燒肉堂上餐速度快嗎？ A Stanford study using genetic and molecular tools has unraveled the mystery of starfish anatomy, revealing that their “head” is distributed across multiple regions, including the center and each limb. This finding challenges traditional understanding and suggests a complex evolutionary history. The research, exploring the transformation from bilateral to pentaradial body plans, emphasizes the importance of studying diverse life forms to gain insights into evolutionary biology. If you put a hat on a starfish, where would you put it? On the center of the starfish? Or on the point of an arm and, if so, which one? The question is silly, but it gets at serious questions in the fields of zoology and developmental biology that have perplexed veteran scientists and schoolchildren in introductory biology classes alike: Where is the head on a starfish? And how does their body layout relate to ours? Now, a new Stanford study that used genetic and molecular tools to map out the body regions of starfish – by creating a 3D atlas of their gene expression – helps answer this longstanding mystery. The “head” of a starfish, the researchers found, is not in any one place. Instead, the headlike regions are distributed with some in the center of the sea star as well as in the center of each limb of its body. “The answer is much more complicated than we expected,” said Laurent Formery, lead author and postdoc in the labs of Christopher Lowe at the Stanford School of Humanities and Sciences and Daniel S. Rokhsar at the University of California, Berkeley. “It is just weird, and most likely the evolution of the group was even more complicated than this.” Starfish (sea stars) belong to a group of animals called echinoderms. Echinoderms and humans are closely related, yet the life cycle and anatomy of sea stars are very different from ours. Sea stars begin life as fertilized eggs that hatch into a free-floating larva. The larvae bob in the ocean in a plankton form for weeks to months before settling to the ocean floor to perform a magic trick of sorts – transforming from a bilateral (symmetric across the midline) body plan into an adult with a five-point star shape called a pentaradial body plan. “This has been a zoological mystery for centuries,” said Lowe, who is also a researcher at Hopkins Marine Station and senior author of the paper that was recently published in the journal Nature. “How can you go from a bilateral body plan to a pentaradial plan, and how can you compare any part of the starfish to our own body plan?” Mapping stars For puzzles such as this one, researchers often conduct comparative studies to identify similar structures in related groups of animals to glean clues about the evolutionary events that prompted the trait of interest. “The problem with starfish is there is nothing on a starfish anatomically that you can relate to a vertebrate,” said Lowe. “There is just nothing there.” At least, nothing on the outside of a starfish. And that is where genetic and molecular techniques come in. During his graduate research, Formery studied early development in sea urchins – echinoderms, like sea stars, that also start their life as bilateral larvae before transforming into adults with fivefold symmetry. When Formery joined Lowe’s lab, Formery’s knowledge of echinoderm development combined with Lowe’s expertise in molecular biology techniques to help tackle the mystery of sea stars’ baffling body plan. The team used a group of well-studied molecular markers (Hox genes are an example) that act as blueprints for an organism’s body plan by “telling” each cell which body region it belongs to. “If you strip away the skin of an animal and look at the genes involved in defining a head from a tail, the same genes code for these body regions across all groups of animals,” said Lowe. “So we ignored the anatomy and asked: Is there a molecular axis hidden under all this weird anatomy and what is its role in a starfish forming a pentaradial body plan?” To investigate this question, the researchers used RNA tomography, a technique that pinpoints where genes are expressed in tissue, and in situ hybridization, a technique that zeroes in on a specific RNA sequence in a cell. “First we sectioned sea star arms into thin slices from tip to center, top to bottom, and left to right,” said Formery, noting that sea stars regenerate missing limbs. “We used RNA tomography to determine which genes were expressed in each slice and then ‘reassembled’ the slices using computer models. This gave us a 3D map of gene expression.” “In the second method, in situ hybridization chain reaction, we stained sea star tissue and visually inspected the samples to see where a gene was expressed,” said Formery. This enabled the researchers to examine anterior-posterior (head to tail) body patterning in the outermost layer of cells called the ectoderm. “This was made possible by the recent, big, technical improvement in in situ hybridization, known as in situ hybridization chain reaction, Formery said. “This new method provides better resolution of where the gene is expressed.” The research revealed that sea stars have a headlike territory in the center of each “arm” and a tail-like region along the perimeter. In an unexpected twist, no part of the sea star ectoderm expresses a “trunk” genetic patterning program, suggesting that sea stars are mostly headlike. Mining truly diverse biodiversity Research is often centered on groups of animals that look like us, the researchers explained. But if we focus on the familiar, we are less likely to learn something new. “There are 34 different animal phyla living on this planet and in over roughly 600 million years they have all come up with different solutions to the same fundamental biological problems,” Lowe said. “Most animals don’t have spectacular nervous systems and are out chasing prey – they are modest animals that live in burrows in the ocean. People are generally not drawn to these animals, and yet they probably represent how much of life got started.” This study demonstrates how a comparative approach that uses genetic and molecular techniques can be used to mine biodiversity for insights into why different animals look the way they do and how their body plans evolved. “Even in recent molecular papers there’s a question mark near echinoderms on the evolutionary tree because we don’t know much about them,” Formery said. “It was nice to show that – at least at the molecular level – we have a new piece of the puzzle that can now be put on the tree.” Reference: “Molecular evidence of anteroposterior patterning in adult echinoderms” by L. Formery, P. Peluso, I. Kohnle, J. Malnick, J. R. Thompson, M. Pitel, K. R. Uhlinger, D. S. Rokhsar, D. R. Rank and C. J. Lowe, 1 November 2023, Nature. DOI: 10.1038/s41586-023-06669-2 Formery, Lowe, and Rokhsar are also researchers at the Chan Zuckerberg BioHub. Rokhsar is also a researcher at the Okinawa Institute of Science and Technology. Additional Stanford co-authors are Ian Kohnle, Judith Malnick, and Kevin Uhlinger of Hopkins Marine Station. Additional authors are from Pacific Biosciences in Menlo Park, California, and Columbia Equine Hospital in Gresham, Oregon. This research was funded by NASA, the National Science Foundation, and the Chan Zuckerberg BioHub. Maize growth time-lapse. Grass is cut regularly by our mowers and grazed on by cows and sheep, yet continues to grow back. The secret to its remarkable regenerative powers lies in part in the shape of its leaves, but how that shape arises has been a topic of longstanding debate. The debate is relevant to our staple crops wheat, rice, and maize, because they are members of the grass family with the same type of leaf. The mystery of grass leaf formation has now been unraveled by a John Innes Centre team, in collaboration with Cornell University and the University of California, Berkley, and the University of Edinburgh using the latest computational modeling and developmental genetic techniques. One of the corresponding authors Professor Enrico Coen said of the findings which appear in Science: “The grass leaf has been a conundrum. By formulating and testing different models for its evolution and development we’ve shown that current theories are likely incorrect, and that a discarded idea proposed in the 19th century is much nearer the mark.” Developing Maize Plant – a staple crop and member of the grass family. A new study explains how the grass leaf evolved. Credit: Annis Richardson Flowering plants can be categorized into monocots and eudicots. Monocots, which include the grass family, have leaves that encircle the stem at their base and have parallel veins throughout. Eudicots, which include brassicas, legumes and most common garden shrubs and trees, have leaves that are held away from the stem by stalks, termed petioles, and typically have broad laminas with net-like veins. In grasses, the base of the leaf forms a tube-like structure, called the sheath. The sheath allows the plant to increase in height while keeping its growing tip close to the ground, protecting it from the blades of lawnmowers or incisors of herbivores. In the 19th Century, botanists proposed that the grass sheath was equivalent to the petiole of eudicot leaves. But this view was challenged in the 20th century, when plant anatomists noted that petioles have parallel veins, similar to the grass leaf, and concluded that the entire grass leaf (except for a tiny region at its tip) was derived from petiole. Using recent advances in computational modeling and developmental genetics, the team revisited the problem of grass development. They modeled different hypotheses for how grass leaves grow, and tested the predictions of each model against experimental results. To their surprise, they found that the model based on the 19th-century idea of sheath-petiole equivalence was much more strongly supported than the current view. This mirrors findings in animal development where a discarded theory – that the ‘underbelly’ side of insects corresponds to the back of vertebrates like us – was vindicated in the light of fresh developmental genetic research. The grass study shows how simple modulations of growth rules, based on a common pattern of gene activities, can generate a remarkable diversity of different leaf shapes, without which our gardens and dining tables would be much poorer. Reference: “Evolution of the grass leaf by primordium extension and petiole-lamina remodeling” by A. E. Richardson, J. Cheng, R. Johnston, R. Kennaway, B. R. Conlon, A. B. Rebocho, H. Kong, M. J. Scanlon, S. Hake and E. Coen, 9 December 2021, Science. DOI: 10.1126/science.abf9407 A new study reveals hydrogen gas’s role as an energy source at life’s dawn, underscoring its potential as a sustainable fuel. Through examining the natural processes at hydrothermal vents and the early cellular mechanisms for harnessing hydrogen, researchers have gained insights into the origins of life and the ancient utilization of hydrogen as an energy source. This research not only illuminates hydrogen’s historical significance but also its future role in sustainable energy. Hydrogen gas, dubbed the energy of the future, has been providing energy since 4 billion years ago. A recent study reveals how hydrogen gas, often touted as the energy source of tomorrow, provided energy in the past, at the origin of life 4 billion years ago. Hydrogen gas is clean fuel. It burns with oxygen in the air to provide energy with no CO2. Hydrogen is a key to sustainable energy for the future. Though humans are just now coming to realize the benefits of hydrogen gas (H2 in chemical shorthand), microbes have known that H2 is a good fuel for as long as there has been life on Earth. Hydrogen is ancient energy. The very first cells on Earth lived from H2 produced in hydrothermal vents, using the reaction of H2 with CO2 to make the molecules of life. Microbes that thrive from the reaction of H2 and CO2 can live in total darkness, inhabiting spooky, primordial habitats like deep-sea hydrothermal vents or hot rock formations deep within the Earth’s crust, environments where many scientists think that life itself arose. Discovery of Hydrogen’s Role in Early Cellular Energy Harvesting Surprising new insights about how the first cells on Earth came to harness H2 as an energy source are now reported in PNAS. The new study comes from the team of William F. Martin at the University of Düsseldorf and Martina Preiner at the Max Planck Institute (MPI) for Terrestrial Microbiology in Marburg with support from collaborators in Germany and Asia. In order to harvest energy, cells first have to push the electrons from H2 energetically uphill. “That is like asking a river to flow uphill instead of downhill, so cells need engineered solutions,” explains one of the three first authors of the study, Max Brabender. Image from the Sulis formation in the Lost City hydrothermal field, an alkaline hydrothermal vent that produces hydrogen. Credit: Courtesy of Susan Lang, U. of South Carolina /NSF/ROV Jason 2018 © Woods Hole Oceanographic Institution How cells solve that problem was discovered only 15 years ago by Wolfgang Buckel together with his colleague Rolf Thauer in Marburg. They found that cells send the two electrons in hydrogen down different paths. One electron goes far downhill, so far downhill that it sets something like a pulley (or a siphon) in motion that can pull the other electron energetically uphill. This process is called electron bifurcation. The Mechanisms of Electron Bifurcation and Early Evolutionary Puzzle In cells, it requires several enzymes that send the electrons uphill to an ancient and essential biological electron carrier called ferredoxin. The new study shows that at pH 8.5, typical of naturally alkaline vents, “no proteins are required,” explains Buckel, co-author on the study, “the H–H bond of H2 splits on the iron surface, generating protons that are consumed by the alkaline water and electrons that are then easily transferred directly to ferredoxin.” How an energetically uphill reaction could have worked in early evolution, before there were enzymes or cells, has been a very tough puzzle. “Several different theories have proposed how the environment might have pushed electrons energetically uphill to ferredoxin before the origin of electron bifurcation,“ says Martin, “we have identified a process that could not be simpler and that works in the natural conditions of hydrothermal vents”. Since the discovery of electron bifurcation, scientists have found that the process is both ancient and absolutely essential in microbes that live from H2. The vexing problem for evolutionarily-minded chemists like Martina Preiner, whose team in Marburg focusses on the impact of the environment on reactions that microbes use today and possibly used at life’s origin, is: How was H2 harnessed for CO2 fixing pathways before there were complicated proteins? “Metals provide answers,”, she says, “at the onset of life, metals under ancient environmental conditions can send the electrons from H2 uphill, and we can see relicts of that primordial chemistry preserved in the biology of modern cells.” But metals alone are not enough. “H2 needs to be produced by the environment as well” adds co-first author Delfina Pereira from Preiner’s lab. Such environments are found in hydrothermal vents, where water interacts with iron-containing rocks to make H2, and where microbes still live today from that hydrogen as their source of energy. The Surprising Role of Hydrogen in Forming Metallic Iron Hydrothermal vents, both modern and ancient, generate H2 in such large amounts that the gas can turn iron-containing minerals into shiny metallic iron. “That hydrogen can make metallic iron out of minerals is no secret,” says Harun Tüysüz, expert for high-tech materials at the Max-Planck-Institut für Kohlenforschung Mülheim and coauthor on the study. “Many processes in the chemical industry use H2 to make metals out of minerals during the reaction.” The surprise is that nature does this too, especially at hydrothermal vents, and that this naturally deposited iron could have played a crucial role at the origin of life. Iron was the only metal identified in the new study that was able to send the electrons in H2 uphill to ferredoxin. But the reaction only works under alkaline conditions like those in a certain type of hydrothermal vents. Natalia Mrnjavac from the Düsseldorf group and co-first author on the study points out: “This fits well with the theory that life arose in such environments. The most exciting thing is that such simple chemical reactions can close an important gap in understanding the complex process of origins, and that we can see those reactions working under the conditions of ancient hydrothermal vents in the laboratory today.” Reference: “Ferredoxin reduction by hydrogen with iron functions as an evolutionary precursor of flavin-based electron bifurcation” by Max Brabender, Delfina P. Henriques Pereira, Natalia Mrnjavac, Manon Laura Schlikker, Zen-Ichiro Kimura, Jeerus Sucharitakul, Karl Kleinermanns, Harun Tüysüz, Wolfgang Buckel, Martina Preiner and William F. Martin, 21 March 2024, Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.2318969121 RRG455KLJIEVEWWF |
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