Abstract：
:Gravity perception plays a key role in how plants develop and adapt to environmental changes. However, more than a century after the pioneering work of Darwin, little is known on the sensing mechanism. Using a centrifugal device combined with growth kinematics imaging, we show that shoot gravitropic responses to steady levels of gravity in four representative angiosperm species is independent of gravity intensity. All gravitropic responses tested are dependent only on the angle of inclination from the direction of gravity. We thus demonstrate that shoot gravitropism is stimulated by sensing inclination not gravitational force or acceleration as previously believed. This contrasts with the otolith system in the internal ear of vertebrates and explains the robustness of the control of growth direction by plants despite perturbations like wind shaking. Our results will help retarget the search for the molecular mechanism linking shifting statoliths to signal transduction.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Chauvet H,Pouliquen O,Forterre Y,Legué V,Moulia Bdoi
10.1038/srep35431subject
Has Abstractpub_date
2016-10-14 00:00:00pages
35431issn
2045-2322pii
srep35431journal_volume
6pub_type
杂志文章abstract：:A direct, simultaneous calculation of properties of a liquid using an ab initio electron-correlated theory has long been unthinkable. Here we present structural, dynamical, and response properties of liquid water calculated by ab initio molecular dynamics using the embedded-fragment spin-component-scaled second-order ...
journal_title：Scientific reports
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abstract：:The metal-air battery is a form of renewable energy generation technology that produces energy electrochemically and can address energy concerns in the near future. However, state-of-the-art Pt electrocatalysts often suffer from agglomeration or detachment from carbon supports under prolonged operation, eventually lim...
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pub_type： 杂志文章
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pub_type： 杂志文章
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更新日期：2016-11-22 00:00:00
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pub_type： 杂志文章
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pub_type： 杂志文章
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pub_type： 杂志文章
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更新日期：2016-07-21 00:00:00
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pub_type： 杂志文章
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更新日期：2015-07-07 00:00:00
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pub_type： 杂志文章
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更新日期：2020-02-10 00:00:00
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更新日期：2019-04-10 00:00:00
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pub_type： 杂志文章
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更新日期：2014-09-29 00:00:00
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pub_type： 杂志文章
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更新日期：2019-10-07 00:00:00
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更新日期：2017-06-07 00:00:00
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journal_title：Scientific reports
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journal_title：Scientific reports
pub_type： 杂志文章
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2016-06-10 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2016-11-30 00:00:00
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pub_type： 杂志文章
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更新日期：2020-06-30 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
doi：10.1038/srep03021
更新日期：2013-10-23 00:00:00
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journal_title：Scientific reports
pub_type： 已发布勘误
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更新日期：2018-06-18 00:00:00
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2016-09-21 00:00:00
