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Current Advances in Molecular Mechanisms and Physiological Basis of Panicle Degeneration in Rice

时间: 2019-11-18 点击次数:次 作者:




Asif Ali , Peizhou Xu , Asad Riaz , Xianjun Wu*



International Journal of Molecular Sciences(IF=4.183),2019, 20(7): 1613



https://www.mdpi.com/1422-0067/20/7/1613/htm



Abstract

Panicle degeneration, also known as panicle abortion, is a serious defect and causes heavy losses to reproductive yield in cereals. Several mutants have been reported to display the phenotype of spikelet abortion in rice. Recent findings have resulted in significant breakthroughs, but comprehensive understanding about the molecular pathways and physiological basis of panicle degeneration still remain a dilemma. In this review, we have summarized all the responsible genes and mechanisms underlying the panicle development with a special focus on degeneration. Here, we hypothesized a model by using knowledge and coherent logic in order to understand the molecular regulation of panicle degeneration. In addition to this, we included all the previous discoveries, schools of thoughts, ancient working theories, and crosstalk of phytohormones and provided new insights for future studies.

Keywords: panicle degeneration; source limitation; programmed cell death; phytohormones

 

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