Results 21 to 30 of about 3,764,426 (157)

Distinct patterns of gene expression during phototropism and heliotropism.

open access: yes, 2023
(A, B) Normalized transcript levels over time for S15a-like (Ha412HOChr05g0204731) during heliotropism and phototropism, respectively. (C) Genes with different acrophases on the east and west sides of stems; west side acrophases between ZT0 and ZT8.
Christopher J. Brooks (2391088)   +2 more
core   +1 more source

PHYTOCHROME KINASE SUBSTRATE 1 is a phototropin 1 binding protein required for phototropism [PDF]

open access: yes, 2006
Phototropism, or plant growth in response to unidirectional light, is an adaptive response of crucial importance. Lateral differences in low fluence rates of blue light are detected by phototropin 1 (phot1) in Arabidopsis. Only NONPHOTOTROPIC HYPOCOTYL 3
Lariguet, P.   +32 more
core   +1 more source

High Pigment1 Mutation Negatively Regulates Phototropic Signal Transduction in Tomato Seedlings [PDF]

open access: yesPlant Physiology, 2004
Abstract Phototropins and phytochromes are the major photosensory receptors in plants and they regulate distinct photomorphogenic responses. The molecular mechanisms underlying functional interactions of phototropins and phytochromes remain largely unclear.
Ankanagari, Srinivas   +4 more
openaire   +2 more sources

Blue‐light‐induced PIN3 polarization for root negative phototropic response in Arabidopsis [PDF]

open access: yesThe Plant Journal, 2013
SummaryRoot negative phototropism is an important response in plants. Although blue light is known to mediate this response, the cellular and molecular mechanisms underlying root negative phototropism remain unclear. Here, we report that the auxin efflux carrier PIN‐FORMED (PIN) 3 is involved in asymmetric auxin distribution and root negative ...
Kun-Xiao, Zhang   +4 more
openaire   +2 more sources

Interaction of gravitropism and phototropism in roots of Brassica oleracea [PDF]

open access: yes, 2022
24 p.-9 fig.Gravitropism and phototropism play a primary role in orienting root growth. Tropistic responses of roots mediated by gravity and light have been extensively investigated, and a complex mutual interaction occurs between these two tropisms.
Romano, Leone Ermes   +36 more
core   +1 more source

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

open access: yesAdvanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao   +3 more
wiley   +1 more source

Mutants of Arabidopsis thaliana with altered phototropism

open access: yes, 1989
Thirty five strains of Arabidopsis thaliana (L.) Heynh. have been identified with altered phototropic responses to 450-nm light. Four of these mutants have been more thoroughly characterized.
Khurana, Jitendra P., Poff, Kenneth L.
core   +1 more source

Negative Phototropism of the Creeping Shoots in Japanese Ivy, Hedera rhombea.

open access: yesJournal of the Japanese Forest Society, 2011
付着根型つる植物であるキヅタ (ウコギ科) の匍匐シュートの伸長方向と光環境の関係を実験的に解析した。匍匐シュートに傾度のある光環境条件を与えた場合, 10 mm以上伸長したすべてのシュートで, キヅタは負の光屈性を示した。また, その負の光屈性は, シュートの先端が水平方向と垂直方向の光強度が均一に低下するような空間をめざして伸長するように生じていた。シュートの伸長量は光量の減少にしたがって低下したが, 20 μmol/m2/sという弱光環境においても負の光屈性は生じていた。つまり, キヅタの匍匐シュートの負の光屈性は, 単なる強光を避ける反応ではなく, 三次元空間的な光環境で暗所方向へ伸長する反応であった。この負の光屈性は, つる植物が林床の不均一な光環境下で ...
Kato, Shogo   +3 more
openaire   +2 more sources

MOF‐Derived Cu‐TiO2/Alginate Micromotors for Buoyancy‐Regulated 3D Motion

open access: yesAdvanced Science, EarlyView.
In this work, cyanobacteria‐inspired sodium alginate (SA)/Cu‐TiO2/Fe3O4 hydrogel micromotors generate and encapsulate O2 microvesicles upon light irradiation, enabling buoyancy‐mediated Z‐axis upward migration and surface enrichment at the light‐exposed water‐air surface.
Wei Zou   +7 more
wiley   +1 more source

Vine‐Inspired Soft Robotics: Materials, Actuations, and Emerging Applications

open access: yesAdvanced Science, EarlyView.
Vine‐inspired robots grow from the tip, enabling navigation through confined spaces with minimal disturbance. This Review summarizes material and actuation strategies for vine‐inspired growth, key functions including steering, retraction, attachment, branching, and variable stiffness, and emerging applications spanning medical intervention, confined ...
Jiahao Wu   +7 more
wiley   +1 more source

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