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Global importance of nitrogen fixation across inland and coastal waters 内陆和沿海水域固氮的全球重要性
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12
Robinson W. Fulweiler, Shelby Rinehart, Jason Taylor, Michelle C. Kelly, Megan E. Berberich, Nicholas E. Ray, Autumn Oczkowski, Sawyer Balint, Mar Benavides, Matthew J. Church, Brianna Loeks, Silvia Newell, Malin Olofsson, Jimmy Clifford Oppong, Sarah S. Roley, Carmella Vizza, Samuel T. Wilson, Subhadeep Chowdhury, Peter Groffman, J. Thad Scott, Amy M. Marcarelli
{"title":"Global importance of nitrogen fixation across inland and coastal waters","authors":"Robinson W. Fulweiler,&nbsp;Shelby Rinehart,&nbsp;Jason Taylor,&nbsp;Michelle C. Kelly,&nbsp;Megan E. Berberich,&nbsp;Nicholas E. Ray,&nbsp;Autumn Oczkowski,&nbsp;Sawyer Balint,&nbsp;Mar Benavides,&nbsp;Matthew J. Church,&nbsp;Brianna Loeks,&nbsp;Silvia Newell,&nbsp;Malin Olofsson,&nbsp;Jimmy Clifford Oppong,&nbsp;Sarah S. Roley,&nbsp;Carmella Vizza,&nbsp;Samuel T. Wilson,&nbsp;Subhadeep Chowdhury,&nbsp;Peter Groffman,&nbsp;J. Thad Scott,&nbsp;Amy M. Marcarelli","doi":"","DOIUrl":"","url":null,"abstract":"<div >Biological nitrogen fixation is a key driver of global primary production and climate. Decades of effort have repeatedly updated nitrogen fixation estimates for terrestrial and open ocean systems, yet other aquatic systems in between have largely been ignored. Here we present an evaluation of nitrogen fixation for inland and coastal waters. We demonstrate that water column and sediment nitrogen fixation is ubiquitous across these diverse aquatic habitats, with rates ranging six orders of magnitude. We conservatively estimate that, despite accounting for less than 10% of the global surface area, inland and coastal aquatic systems fix 40 (30 to 54) teragrams of nitrogen per year, equivalent to 15% of the nitrogen fixed on land and in the open ocean. Inland systems contribute more than half of this biological nitrogen fixation.</div>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A metabolite-based resistance mechanism against malaria 一种基于代谢物的疟疾抗性机制
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12
Ana Figueiredo, Sonia Trikha Rastogi, Susana Ramos, Fátima Nogueira, Katherine De Villiers, António G. Gonçalves de Sousa, Lasse Votborg-Novél, Cäcilie von Wedel, Pinkus Tober-Lau, Elisa Jentho, Sara Pagnotta, Miguel Mesquita, Silvia Cardoso, Giulia Bortolussi, Andrés F. Muro, Erin M. Tranfield, Jessica Thibaud, Denise Duarte, Ana Laura Sousa, Sandra N. Pinto, Jamil Kitoko, Ghyslain Mombo-Ngoma, Johannes Mischlinger, Sini Junttila, Marta Alenquer, Maria João Amorim, Chirag Vasavda, Piter J. Bosma, Sara Violante, Bernhard Drotleff, Tiago Paixão, Silvia Portugal, Florian Kurth, Laura L. Elo, Bindu D. Paul, Rui Martins, Miguel P. Soares
{"title":"A metabolite-based resistance mechanism against malaria","authors":"Ana Figueiredo,&nbsp;Sonia Trikha Rastogi,&nbsp;Susana Ramos,&nbsp;Fátima Nogueira,&nbsp;Katherine De Villiers,&nbsp;António G. Gonçalves de Sousa,&nbsp;Lasse Votborg-Novél,&nbsp;Cäcilie von Wedel,&nbsp;Pinkus Tober-Lau,&nbsp;Elisa Jentho,&nbsp;Sara Pagnotta,&nbsp;Miguel Mesquita,&nbsp;Silvia Cardoso,&nbsp;Giulia Bortolussi,&nbsp;Andrés F. Muro,&nbsp;Erin M. Tranfield,&nbsp;Jessica Thibaud,&nbsp;Denise Duarte,&nbsp;Ana Laura Sousa,&nbsp;Sandra N. Pinto,&nbsp;Jamil Kitoko,&nbsp;Ghyslain Mombo-Ngoma,&nbsp;Johannes Mischlinger,&nbsp;Sini Junttila,&nbsp;Marta Alenquer,&nbsp;Maria João Amorim,&nbsp;Chirag Vasavda,&nbsp;Piter J. Bosma,&nbsp;Sara Violante,&nbsp;Bernhard Drotleff,&nbsp;Tiago Paixão,&nbsp;Silvia Portugal,&nbsp;Florian Kurth,&nbsp;Laura L. Elo,&nbsp;Bindu D. Paul,&nbsp;Rui Martins,&nbsp;Miguel P. Soares","doi":"","DOIUrl":"","url":null,"abstract":"<div >Jaundice is a common presentation of <i>Plasmodium</i> <i>falciparum</i> malaria, which arises from the accumulation of circulating bilirubin. It is not understood whether it represents an adaptive or maladaptive response to <i>Plasmodium</i> spp. infection. We found that asymptomatic <i>P. falciparum</i> infection in humans was associated with a higher ratio of unconjugated over conjugated bilirubin and parasite burden compared with symptomatic malaria. Genetic suppression of bilirubin synthesis by biliverdin reductase A (BVRA) increased parasite virulence and malaria mortality in mice. Accumulation of unconjugated bilirubin in plasma, through genetic inhibition of hepatic conjugation by UDP glucuronosyltransferase family 1 member A1 (UGT1A1), was protective against malaria in mice. Unconjugated bilirubin inhibited <i>P. falciparum</i> proliferation in red blood cells by a mechanism that suppressed mitochondrial pyrimidine synthesis. Moreover, unconjugated bilirubin inhibited hemozoin crystallization and compromised the parasite’s food vacuole. Hence, jaundice appears to represent a metabolic response to <i>Plasmodium</i> spp. infection that limits malaria severity.</div>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Observed trend in Earth energy imbalance may provide a constraint for low climate sensitivity models 观测到的地球能量不平衡趋势可能为低气候敏感性模式提供约束
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12
Gunnar Myhre, Øivind Hodnebrog, Norman Loeb, Piers M. Forster
{"title":"Observed trend in Earth energy imbalance may provide a constraint for low climate sensitivity models","authors":"Gunnar Myhre,&nbsp;Øivind Hodnebrog,&nbsp;Norman Loeb,&nbsp;Piers M. Forster","doi":"","DOIUrl":"","url":null,"abstract":"<div >Climate forcings by greenhouse gases and aerosols cause an imbalance at the top of the atmosphere between the net incoming solar radiation and outgoing longwave radiation from Earth. This Earth energy imbalance has strengthened over the period 2001 to 2023 with satellite data. Here, we show that low climate sensitivity models fail to reproduce the trend in Earth energy imbalance, particularly in the individual longwave and shortwave contributions to the imbalance trend. The inability to produce a strong positive shortwave and strong negative longwave Earth energy imbalance trend is found to be a robust feature in the low climate sensitivity models, especially for models with a climate sensitivity below 2.5 kelvin. The negative longwave contribution to Earth energy imbalance is driven by surface temperature increases and is therefore most pronounced in high climate sensitivity models, whereas the shortwave contribution is generally positive and amplified by greater surface warming.</div>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bridging the divide: Why the science-policy interface matters for global food systems. 弥合鸿沟：为什么科学-政策界面对全球粮食系统很重要。
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12 DOI: 10.1126/science.ady6713
Ismahane Elouafi
{"title":"Bridging the divide: Why the science-policy interface matters for global food systems.","authors":"Ismahane Elouafi","doi":"10.1126/science.ady6713","DOIUrl":"10.1126/science.ady6713","url":null,"abstract":"<p><p>For decades, empirical evidence has pointed to the unsustainable trajectory of global food systems, linking industrialized production to soil degradation, water stress, and nutrition deficits across vulnerable populations and underscoring the urgent need for science-based policy interventions. But despite robust, peer-reviewed evidence outlining both the magnitude of food-system threats and an extensive array of potential science-backed interventions, structural obstacles such as institutional inertia, competing policy agendas, and chronic resource constraints have consistently prevented the uptake of scientific recommendations into effective policy frameworks.</p>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":"eady6713"},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144286474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dispersed components drive temperature sensing and response in plants. 分散的成分驱动植物的温度感知和响应。
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12 DOI: 10.1126/science.adv5407
Avilash Singh Yadav, Sridevi Sureshkumar, Alok Krishna Sinha, Sureshkumar Balasubramanian
{"title":"Dispersed components drive temperature sensing and response in plants.","authors":"Avilash Singh Yadav, Sridevi Sureshkumar, Alok Krishna Sinha, Sureshkumar Balasubramanian","doi":"10.1126/science.adv5407","DOIUrl":"10.1126/science.adv5407","url":null,"abstract":"<p><p>Plants are highly sensitive to temperature, and climate change is predicted to have negative impacts on agricultural productivity. Warming temperatures, coupled with a growing population, present a substantial challenge for food security and motivate research to understand how plants sense and respond to changes in temperature. Here, we synthesize our current understanding of temperature sensing and response in plants. We outline how temperature cues are integrated into preexisting signaling cascades using inherently temperature-sensitive proteins or processes. This dispersed nature of thermo-sensitive proteins and processes makes distinct signaling cascades sensitive to temperature. This model integrates current knowledge and distinguishes thermosensing from other conventional sensing and signaling mechanisms in plants.</p>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":"1161-1166"},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144286478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A metabolite-based resistance mechanism against malaria. 一种基于代谢物的疟疾抗性机制。
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12 DOI: 10.1126/science.adq6741
Ana Figueiredo, Sonia Trikha Rastogi, Susana Ramos, Fátima Nogueira, Katherine De Villiers, António G Gonçalves de Sousa, Lasse Votborg-Novél, Cäcilie von Wedel, Pinkus Tober-Lau, Elisa Jentho, Sara Pagnotta, Miguel Mesquita, Silvia Cardoso, Giulia Bortolussi, Andrés F Muro, Erin M Tranfield, Jessica Thibaud, Denise Duarte, Ana Laura Sousa, Sandra N Pinto, Jamil Kitoko, Ghyslain Mombo-Ngoma, Johannes Mischlinger, Sini Junttila, Marta Alenquer, Maria João Amorim, Chirag Vasavda, Piter J Bosma, Sara Violante, Bernhard Drotleff, Tiago Paixão, Silvia Portugal, Florian Kurth, Laura L Elo, Bindu D Paul, Rui Martins, Miguel P Soares
{"title":"A metabolite-based resistance mechanism against malaria.","authors":"Ana Figueiredo, Sonia Trikha Rastogi, Susana Ramos, Fátima Nogueira, Katherine De Villiers, António G Gonçalves de Sousa, Lasse Votborg-Novél, Cäcilie von Wedel, Pinkus Tober-Lau, Elisa Jentho, Sara Pagnotta, Miguel Mesquita, Silvia Cardoso, Giulia Bortolussi, Andrés F Muro, Erin M Tranfield, Jessica Thibaud, Denise Duarte, Ana Laura Sousa, Sandra N Pinto, Jamil Kitoko, Ghyslain Mombo-Ngoma, Johannes Mischlinger, Sini Junttila, Marta Alenquer, Maria João Amorim, Chirag Vasavda, Piter J Bosma, Sara Violante, Bernhard Drotleff, Tiago Paixão, Silvia Portugal, Florian Kurth, Laura L Elo, Bindu D Paul, Rui Martins, Miguel P Soares","doi":"10.1126/science.adq6741","DOIUrl":"https://doi.org/10.1126/science.adq6741","url":null,"abstract":"<p><p>Jaundice is a common presentation of <i>Plasmodium</i> <i>falciparum</i> malaria, which arises from the accumulation of circulating bilirubin. It is not understood whether it represents an adaptive or maladaptive response to <i>Plasmodium</i> spp. infection. We found that asymptomatic <i>P. falciparum</i> infection in humans was associated with a higher ratio of unconjugated over conjugated bilirubin and parasite burden compared with symptomatic malaria. Genetic suppression of bilirubin synthesis by biliverdin reductase A (BVRA) increased parasite virulence and malaria mortality in mice. Accumulation of unconjugated bilirubin in plasma, through genetic inhibition of hepatic conjugation by UDP glucuronosyltransferase family 1 member A1 (UGT1A1), was protective against malaria in mice. Unconjugated bilirubin inhibited <i>P. falciparum</i> proliferation in red blood cells by a mechanism that suppressed mitochondrial pyrimidine synthesis. Moreover, unconjugated bilirubin inhibited hemozoin crystallization and compromised the parasite's food vacuole. Hence, jaundice appears to represent a metabolic response to <i>Plasmodium</i> spp. infection that limits malaria severity.</p>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":"eadq6741"},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144286449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differential absorption of circularly polarized light by a centrosymmetric crystal. 中心对称晶体对圆偏振光的微分吸收。
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12 DOI: 10.1126/science.adr5478
Katherine A Parrish, Andrew Salij, Kendall R Kamp, Evan Smith, M Iqbal Bakti Utama, Anders J Bergsten, Rachel Czerwinski, Mackinsey A Smith, Mark C Hersam, Kenneth R Poeppelmeier, Randall H Goldsmith, Roel Tempelaar
{"title":"Differential absorption of circularly polarized light by a centrosymmetric crystal.","authors":"Katherine A Parrish, Andrew Salij, Kendall R Kamp, Evan Smith, M Iqbal Bakti Utama, Anders J Bergsten, Rachel Czerwinski, Mackinsey A Smith, Mark C Hersam, Kenneth R Poeppelmeier, Randall H Goldsmith, Roel Tempelaar","doi":"10.1126/science.adr5478","DOIUrl":"https://doi.org/10.1126/science.adr5478","url":null,"abstract":"<p><p>Crystalline solids are governed by universal structure-property relationships derived from their crystal symmetry, leading to paradigmatic rules on what properties they can and cannot exhibit. A long-held structure-property relationship is that centrosymmetric crystals cannot differentially absorb circularly polarized light. In this study, we demonstrate the design, synthesis, and characterization of the centrosymmetric material Li<sub>2</sub>Co<sub>3</sub>(SeO<sub>3</sub>)<sub>4</sub>, which violates this relationship not by defying symmetry-imposed selection rules but by invoking a photophysical process not previously characterized for crystalline solids. This process originates from an interference between linear dichroism and linear birefringence, referred to as LD-LB, and involves strong chiroptical signals that invert upon sample flipping. In addition to enabling a chiroptical response under centrosymmetry, this process opens up photonic engineering opportunities based on crystalline solids.</p>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":"1194-1197"},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144286477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In Science Journals. 发表在科学期刊上。
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12 DOI: 10.1126/science.adz6536
Angela Hessler, Jake S Yeston, Caroline Ash, Courtney Malo, Jesse Smith, Di Jiang, Claire Olingy, Phil Szuromi, Corinne Simonti, Yevgeniya Nusinovich, Michael A Funk, Marc S Lavine, Annalisa M VanHook
{"title":"In Science Journals.","authors":"Angela Hessler, Jake S Yeston, Caroline Ash, Courtney Malo, Jesse Smith, Di Jiang, Claire Olingy, Phil Szuromi, Corinne Simonti, Yevgeniya Nusinovich, Michael A Funk, Marc S Lavine, Annalisa M VanHook","doi":"10.1126/science.adz6536","DOIUrl":"https://doi.org/10.1126/science.adz6536","url":null,"abstract":"<p><p>Highlights from the <i>Science</i> family of journals.</p>","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":"1174-1176"},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144286488","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
North America’s last prairies 北美最后的大草原
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12
Sarah Boon
{"title":"North America’s last prairies","authors":"Sarah Boon","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Erratum for the Research Article “La- and Mn-doped cobalt spinel oxygen evolution catalyst for proton exchange membrane electrolysis” by L. Chong et al. L. Chong等人的研究文章《质子交换膜电解中掺杂La和mn的钴尖晶石析氧催化剂》的勘误。
IF 44.7 1区 综合性期刊
Science Pub Date : 2025-06-12
{"title":"Erratum for the Research Article “La- and Mn-doped cobalt spinel oxygen evolution catalyst for proton exchange membrane electrolysis” by L. Chong et al.","authors":"","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":21678,"journal":{"name":"Science","volume":"388 6752","pages":""},"PeriodicalIF":44.7,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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