A Botanist’s Cognitive View on Plant Growth: Cross-Talk between Developmental and Sensitivity Networks  

作　　者：Dhananjay K. Pandey Bhupendra Chaudhary Dhananjay K. Pandey;Bhupendra Chaudhary(School of Biotechnology, Gautam Buddha University, Greater Noida, India)

机构地区：[1]School of Biotechnology, Gautam Buddha University, Greater Noida, India

出　　处：《American Journal of Plant Sciences》2016年第15期2307-2322,共17页美国植物学期刊（英文）

摘　　要：An alteration in plant phenotypes assisted by their responses to the environmental stimuli (=tropism) has been fundamental to understand the “plant sensitivity ” that plays a crucial role in plants’ adaptive success. Plants succeed through the deployment of moderators controlling polar auxin-transport determining organ bending. Stimulus-specific effectors can be synthesized by the outer peripheral cells at the bending sites where they target highly conserved cellular processes and potentially persuade the plant sensitivity at large. Remarkably, the peripheral cells require different time-intervals to achieve the threshold expression-levels of stimulus-specific molecular responders. After stimulus perception, tropic curvatures (especially at growing root-apices) are duly coordinated via integrated chemical and electrical signalling which is the key to cellular communications. Thus, the acquired phenotypic alterations are the perplexed outcome of plant’s developmental pace, complemented by the sensitivity. A novel aspect of this study is to advance our understanding of plant developmental-programming and the extent of plant-sensitivity, determining the plant growth and their future applications.An alteration in plant phenotypes assisted by their responses to the environmental stimuli (=tropism) has been fundamental to understand the “plant sensitivity ” that plays a crucial role in plants’ adaptive success. Plants succeed through the deployment of moderators controlling polar auxin-transport determining organ bending. Stimulus-specific effectors can be synthesized by the outer peripheral cells at the bending sites where they target highly conserved cellular processes and potentially persuade the plant sensitivity at large. Remarkably, the peripheral cells require different time-intervals to achieve the threshold expression-levels of stimulus-specific molecular responders. After stimulus perception, tropic curvatures (especially at growing root-apices) are duly coordinated via integrated chemical and electrical signalling which is the key to cellular communications. Thus, the acquired phenotypic alterations are the perplexed outcome of plant’s developmental pace, complemented by the sensitivity. A novel aspect of this study is to advance our understanding of plant developmental-programming and the extent of plant-sensitivity, determining the plant growth and their future applications.

关 键 词：TROPISM ANISOTROPY Plant Development Polar Auxin Transport Phototropic Response Gravitropic Response 

分 类 号：Q94[生物学—植物学]