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  • American Association for the Advancement of Science (AAAS)  (12)
  • 2010-2014  (12)
  • 1
    Publication Date: 2012-04-12
    Description: Observations with the Venus Express magnetometer and low-energy particle detector revealed magnetic field and plasma behavior in the near-Venus wake that is symptomatic of magnetic reconnection, a process that occurs in Earth's magnetotail but is not expected in the magnetotail of a nonmagnetized planet such as Venus. On 15 May 2006, the plasma flow in this region was toward the planet, and the magnetic field component transverse to the flow was reversed. Magnetic reconnection is a plasma process that changes the topology of the magnetic field and results in energy exchange between the magnetic field and the plasma. Thus, the energetics of the Venus magnetotail resembles that of the terrestrial tail, where energy is stored and later released from the magnetic field to the plasma.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhang, T L -- Lu, Q M -- Baumjohann, W -- Russell, C T -- Fedorov, A -- Barabash, S -- Coates, A J -- Du, A M -- Cao, J B -- Nakamura, R -- Teh, W L -- Wang, R S -- Dou, X K -- Wang, S -- Glassmeier, K H -- Auster, H U -- Balikhin, M -- New York, N.Y. -- Science. 2012 May 4;336(6081):567-70. doi: 10.1126/science.1217013. Epub 2012 Apr 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Chinese Academy of Sciences Key Laboratory of Geospace Environment, University of Science and Technology of China, Hefei 230026, China. tielong.zhang@oeaw.ac.at〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22491094" target="_blank"〉PubMed〈/a〉
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2012-06-30
    Description: Ricklefs and Renner (Reports, 27 January 2012, p. 464) found significant correlations for abundances and species diversities of families and orders of trees on different continents, which they suggested falsifies the neutral theory of biodiversity (NTB). We argue that the correlations among families and orders and the lack of correlations among genera can be explained by the NTB.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chen, Anping -- Wang, Shaopeng -- Pacala, Stephen W -- New York, N.Y. -- Science. 2012 Jun 29;336(6089):1639; author reply 1639. doi: 10.1126/science.1222534.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08544, USA. anpingc@princeton.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22745403" target="_blank"〉PubMed〈/a〉
    Keywords: *Biodiversity ; *Biological Evolution ; *Ecosystem ; *Trees
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2013-05-25
    Description: Newly synthesized polypeptides fold and assemble with assistance from protein chaperones. Full maturation can take multiple attempts, exchanging chaperones at each round. Improperly folded molecules must exit folding cycles and be degraded. In the endoplasmic reticulum (ER), prolonged substrate cycling is detrimental because it expends chaperone and energy resources and increases toxic reactive oxygen species. In budding yeast, we found that unfolded protein O-mannosylation terminated failed folding attempts through the Pmt1/Pmt2 complex. O-mannosylation incapacitated target molecule folding and removed them from folding cycles by reducing engagement with the Kar2 chaperone. In an in vitro protein refolding assay, the modification intrinsically and irreversibly disabled the folding potential of the substrate. Thus, protein folding termination can involve a covalent glycosylation event.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Xu, Chengchao -- Wang, Songyu -- Thibault, Guillaume -- Ng, Davis T W -- New York, N.Y. -- Science. 2013 May 24;340(6135):978-81. doi: 10.1126/science.1234055.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Temasek Life Sciences Laboratory, National University of Singapore, Singapore.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23704572" target="_blank"〉PubMed〈/a〉
    Keywords: Endoplasmic Reticulum/*metabolism ; Fungal Proteins/*metabolism ; Glycosylation ; Green Fluorescent Proteins/metabolism ; HSP70 Heat-Shock Proteins/*metabolism ; Mannose/*metabolism ; Mannosyltransferases/genetics/metabolism ; *Protein Folding ; Saccharomyces cerevisiae/*metabolism ; *Unfolded Protein Response
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2011-08-13
    Description: We report classes of electronic systems that achieve thicknesses, effective elastic moduli, bending stiffnesses, and areal mass densities matched to the epidermis. Unlike traditional wafer-based technologies, laminating such devices onto the skin leads to conformal contact and adequate adhesion based on van der Waals interactions alone, in a manner that is mechanically invisible to the user. We describe systems incorporating electrophysiological, temperature, and strain sensors, as well as transistors, light-emitting diodes, photodetectors, radio frequency inductors, capacitors, oscillators, and rectifying diodes. Solar cells and wireless coils provide options for power supply. We used this type of technology to measure electrical activity produced by the heart, brain, and skeletal muscles and show that the resulting data contain sufficient information for an unusual type of computer game controller.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Dae-Hyeong -- Lu, Nanshu -- Ma, Rui -- Kim, Yun-Soung -- Kim, Rak-Hwan -- Wang, Shuodao -- Wu, Jian -- Won, Sang Min -- Tao, Hu -- Islam, Ahmad -- Yu, Ki Jun -- Kim, Tae-il -- Chowdhury, Raeed -- Ying, Ming -- Xu, Lizhi -- Li, Ming -- Chung, Hyun-Joong -- Keum, Hohyun -- McCormick, Martin -- Liu, Ping -- Zhang, Yong-Wei -- Omenetto, Fiorenzo G -- Huang, Yonggang -- Coleman, Todd -- Rogers, John A -- New York, N.Y. -- Science. 2011 Aug 12;333(6044):838-43. doi: 10.1126/science.1206157.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Materials Science and Engineering, Beckman Institute for Advanced Science and Technology, and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21836009" target="_blank"〉PubMed〈/a〉
    Keywords: Adhesiveness ; Dermis ; Elastic Modulus ; Elastomers ; Electric Power Supplies ; Electrocardiography/instrumentation/methods ; Electrodes ; Electrodiagnosis/*instrumentation/*methods ; Electroencephalography/instrumentation/methods ; Electromyography/instrumentation/methods ; *Epidermis ; Humans ; Mechanical Phenomena ; Monitoring, Physiologic/*instrumentation/*methods ; Nanostructures ; *Semiconductors
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    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2013-03-16
    Description: Recent discoveries of large leg feathers in some theropods have implications for our understanding of the evolution of integumentary features on the avialan leg, and particularly of their relevance for the origin of avialan flight. Here we report 11 basal avialan specimens that will greatly improve our knowledge of leg integumentary features among early birds. In particular, they provide solid evidence for the existence of enlarged leg feathers on a variety of basal birds, suggest that extensively scaled feet might have appeared secondarily at an early stage in ornithuromorph evolution, and demonstrate a distal-to-proximal reduction pattern for leg feathers in avialan evolution.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zheng, Xiaoting -- Zhou, Zhonghe -- Wang, Xiaoli -- Zhang, Fucheng -- Zhang, Xiaomei -- Wang, Yan -- Wei, Guangjin -- Wang, Shuo -- Xu, Xing -- New York, N.Y. -- Science. 2013 Mar 15;339(6125):1309-12. doi: 10.1126/science.1228753.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Geology and Paleontology, Linyi University, Linyi City, Shandong, China. ty4291666@163.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23493711" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Birds/*anatomy & histology ; Feathers/*anatomy & histology ; *Fossils ; Hindlimb/*anatomy & histology ; Wings, Animal/*anatomy & histology
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  • 6
    Publication Date: 2014-05-17
    Description: Cellular membranes act as signaling platforms and control solute transport. Membrane receptors, transporters, and enzymes communicate with intracellular processes through protein-protein interactions. Using a split-ubiquitin yeast two-hybrid screen that covers a test-space of 6.4 x 10(6) pairs, we identified 12,102 membrane/signaling protein interactions from Arabidopsis. Besides confirmation of expected interactions such as heterotrimeric G protein subunit interactions and aquaporin oligomerization, 〉99% of the interactions were previously unknown. Interactions were confirmed at a rate of 32% in orthogonal in planta split-green flourescent protein interaction assays, which was statistically indistinguishable from the confirmation rate for known interactions collected from literature (38%). Regulatory associations in membrane protein trafficking, turnover, and phosphorylation include regulation of potassium channel activity through abscisic acid signaling, transporter activity by a WNK kinase, and a brassinolide receptor kinase by trafficking-related proteins. These examples underscore the utility of the membrane/signaling protein interaction network for gene discovery and hypothesis generation in plants and other organisms.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, Alexander M -- Xuan, Yuanhu -- Xu, Meng -- Wang, Rui-Sheng -- Ho, Cheng-Hsun -- Lalonde, Sylvie -- You, Chang Hun -- Sardi, Maria I -- Parsa, Saman A -- Smith-Valle, Erika -- Su, Tianying -- Frazer, Keith A -- Pilot, Guillaume -- Pratelli, Rejane -- Grossmann, Guido -- Acharya, Biswa R -- Hu, Heng-Cheng -- Engineer, Cawas -- Villiers, Florent -- Ju, Chuanli -- Takeda, Kouji -- Su, Zhao -- Dong, Qunfeng -- Assmann, Sarah M -- Chen, Jin -- Kwak, June M -- Schroeder, Julian I -- Albert, Reka -- Rhee, Seung Y -- Frommer, Wolf B -- New York, N.Y. -- Science. 2014 May 16;344(6185):711-6. doi: 10.1126/science.1251358.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Plant Biology, Carnegie Institution for Science, CA 94305, USA. ; Department of Physics, Pennsylvania State University, University Park, PA 16802, USA. ; Department of Plant Biology, Carnegie Institution for Science, CA 94305, USA. Department of Plant Pathology, Physiology, and Weed Science, Virginia Polytechnic University and State University, Blacksburg, VA 24061, USA. ; Department of Biology, Pennsylvania State University, University Park, PA 16802, USA. ; Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA. ; Cell and Developmental Biology Section, Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA. ; Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA. ; Department of Plant Biology, Carnegie Institution for Science, CA 94305, USA. Michigan State University-U.S. Department of Energy (MSU-DOE) Plant Research Laboratory and Department of Computer Science and Engineering, Michigan State University, East Lansing, MI 48824, USA. ; Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA. Center for Plant Aging Research, Institute for Basic Science, Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology, Daegu 711-873, Republic of Korea. ; Department of Plant Biology, Carnegie Institution for Science, CA 94305, USA. wfrommer@stanford.edu srhee@carnegiescience.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24833385" target="_blank"〉PubMed〈/a〉
    Keywords: Arabidopsis/genetics/*metabolism ; Arabidopsis Proteins/genetics/*metabolism ; Cell Membrane/*metabolism ; Membrane Proteins/genetics/*metabolism ; *Protein Interaction Maps ; Signal Transduction ; Two-Hybrid System Techniques
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  • 7
    Publication Date: 2013-03-09
    Description: Freestanding nanowires have ultrahigh elastic strain limits (4 to 7%) and yield strengths, but exploiting their intrinsic mechanical properties in bulk composites has proven to be difficult. We exploited the intrinsic mechanical properties of nanowires in a phase-transforming matrix based on the concept of elastic and transformation strain matching. By engineering the microstructure and residual stress to couple the true elasticity of Nb nanowires with the pseudoelasticity of a NiTi shape-memory alloy, we developed an in situ composite that possesses a large quasi-linear elastic strain of over 6%, a low Young's modulus of ~28 gigapascals, and a high yield strength of ~1.65 gigapascals. Our elastic strain-matching approach allows the exceptional mechanical properties of nanowires to be exploited in bulk materials.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hao, Shijie -- Cui, Lishan -- Jiang, Daqiang -- Han, Xiaodong -- Ren, Yang -- Jiang, Jiang -- Liu, Yinong -- Liu, Zhenyang -- Mao, Shengcheng -- Wang, Yandong -- Li, Yan -- Ren, Xiaobing -- Ding, Xiangdong -- Wang, Shan -- Yu, Cun -- Shi, Xiaobin -- Du, Minshu -- Yang, Feng -- Zheng, Yanjun -- Zhang, Ze -- Li, Xiaodong -- Brown, Dennis E -- Li, Ju -- New York, N.Y. -- Science. 2013 Mar 8;339(6124):1191-4. doi: 10.1126/science.1228602.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23471404" target="_blank"〉PubMed〈/a〉
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  • 8
    Publication Date: 2014-11-29
    Description: Cucurbitacins are triterpenoids that confer a bitter taste in cucurbits such as cucumber, melon, watermelon, squash, and pumpkin. These compounds discourage most pests on the plant and have also been shown to have antitumor properties. With genomics and biochemistry, we identified nine cucumber genes in the pathway for biosynthesis of cucurbitacin C and elucidated four catalytic steps. We discovered transcription factors Bl (Bitter leaf) and Bt (Bitter fruit) that regulate this pathway in leaves and fruits, respectively. Traces in genomic signatures indicated that selection imposed on Bt during domestication led to derivation of nonbitter cucurbits from their bitter ancestors.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shang, Yi -- Ma, Yongshuo -- Zhou, Yuan -- Zhang, Huimin -- Duan, Lixin -- Chen, Huiming -- Zeng, Jianguo -- Zhou, Qian -- Wang, Shenhao -- Gu, Wenjia -- Liu, Min -- Ren, Jinwei -- Gu, Xingfang -- Zhang, Shengping -- Wang, Ye -- Yasukawa, Ken -- Bouwmeester, Harro J -- Qi, Xiaoquan -- Zhang, Zhonghua -- Lucas, William J -- Huang, Sanwen -- New York, N.Y. -- Science. 2014 Nov 28;346(6213):1084-8. doi: 10.1126/science.1259215.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Beijing 100081, China. Agricultural Genomic Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China. ; Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Beijing 100081, China. College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China. ; Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Beijing 100081, China. Horticulture and Landscape College, Hunan Agricultural University, National Chinese Medicinal Herbs Technology Center, Changsha 410128, China. ; Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China. ; Hunan Vegetable Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China. ; Horticulture and Landscape College, Hunan Agricultural University, National Chinese Medicinal Herbs Technology Center, Changsha 410128, China. ; Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Beijing 100081, China. ; Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Beijing 100081, China. College of Life Sciences, Wuhan University, Wuhan 430072, China. ; Institute of Microbiology, Chinese Academy of Sciences, Beijing 100190, China. ; School of Pharmacy, Nihon University, Tokyo 101-8308, Japan. ; Laboratory of Plant Physiology, Wageningen University, Wageningen 6700, Netherlands. ; Department of Plant Biology, College of Biological Sciences, University of California, Davis, CA 95616, USA. ; Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture, Sino-Dutch Joint Laboratory of Horticultural Genomics, Beijing 100081, China. Agricultural Genomic Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518124, China. huangsanwen@caas.cn.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25430763" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Cucumis sativus/genetics/*metabolism ; Fruit/genetics/*metabolism ; Gene Expression Regulation, Plant ; Genome, Plant ; Molecular Sequence Data ; Plant Leaves/genetics/*metabolism ; Plant Proteins/genetics/*metabolism ; *Taste ; Transcription Factors/genetics/*metabolism ; Triterpenes/chemical synthesis/*metabolism
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  • 9
    Publication Date: 2011-11-05
    Description: The mTOR complex 1 (mTORC1) protein kinase is a master growth regulator that is stimulated by amino acids. Amino acids activate the Rag guanosine triphosphatases (GTPases), which promote the translocation of mTORC1 to the lysosomal surface, the site of mTORC1 activation. We found that the vacuolar H(+)-adenosine triphosphatase ATPase (v-ATPase) is necessary for amino acids to activate mTORC1. The v-ATPase engages in extensive amino acid-sensitive interactions with the Ragulator, a scaffolding complex that anchors the Rag GTPases to the lysosome. In a cell-free system, ATP hydrolysis by the v-ATPase was necessary for amino acids to regulate the v-ATPase-Ragulator interaction and promote mTORC1 translocation. Results obtained in vitro and in human cells suggest that amino acid signaling begins within the lysosomal lumen. These results identify the v-ATPase as a component of the mTOR pathway and delineate a lysosome-associated machinery for amino acid sensing.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3211112/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3211112/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zoncu, Roberto -- Bar-Peled, Liron -- Efeyan, Alejo -- Wang, Shuyu -- Sancak, Yasemin -- Sabatini, David M -- AI47389/AI/NIAID NIH HHS/ -- CA103866/CA/NCI NIH HHS/ -- R01 CA103866/CA/NCI NIH HHS/ -- R01 CA103866-07/CA/NCI NIH HHS/ -- R01 CA103866-08/CA/NCI NIH HHS/ -- R37 AI047389/AI/NIAID NIH HHS/ -- R37 AI047389-11/AI/NIAID NIH HHS/ -- R37 AI047389-12/AI/NIAID NIH HHS/ -- R37 AI047389-13/AI/NIAID NIH HHS/ -- T32 GM007753/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2011 Nov 4;334(6056):678-83. doi: 10.1126/science.1207056.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Whitehead Institute for Biomedical Research, Nine Cambridge Center, Cambridge, MA 02142, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22053050" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/*metabolism ; Animals ; Cell Line ; Drosophila ; GTP Phosphohydrolases/metabolism ; Humans ; Lysosomes/*metabolism ; Multiprotein Complexes ; Proteins/*metabolism ; RNA Interference ; Signal Transduction ; TOR Serine-Threonine Kinases ; Vacuolar Proton-Translocating ATPases/*metabolism
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  • 10
    Publication Date: 2011-08-06
    Description: The modern Indian summer monsoon (ISM) is characterized by exceptionally strong interhemispheric transport, indicating the importance of both Northern and Southern Hemisphere processes driving monsoon variability. Here, we present a high-resolution continental record from southwestern China that demonstrates the importance of interhemispheric forcing in driving ISM variability at the glacial-interglacial time scale as well. Interglacial ISM maxima are dominated by an enhanced Indian low associated with global ice volume minima. In contrast, the glacial ISM reaches a minimum, and actually begins to increase, before global ice volume reaches a maximum. We attribute this early strengthening to an increased cross-equatorial pressure gradient derived from Southern Hemisphere high-latitude cooling. This mechanism explains much of the nonorbital scale variance in the Pleistocene ISM record.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉An, Zhisheng -- Clemens, Steven C -- Shen, Ji -- Qiang, Xiaoke -- Jin, Zhangdong -- Sun, Youbin -- Prell, Warren L -- Luo, Jingjia -- Wang, Sumin -- Xu, Hai -- Cai, Yanjun -- Zhou, Weijian -- Liu, Xiaodong -- Liu, Weiguo -- Shi, Zhengguo -- Yan, Libin -- Xiao, Xiayun -- Chang, Hong -- Wu, Feng -- Ai, Li -- Lu, Fengyan -- New York, N.Y. -- Science. 2011 Aug 5;333(6043):719-23. doi: 10.1126/science.1203752.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China. anzs@loess.llqg.ac.cn〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21817044" target="_blank"〉PubMed〈/a〉
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