New Insights Into Functions of IQ67-Domain Proteins

IQ67-domain (IQD) proteins, first identified in Arabidopsis and rice, are plant-specific calmodulin-binding proteins containing highly conserved motifs. They play a critical role in plant defenses, organ development and shape, and drought tolerance. Driven by comprehensive genome identification and...

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Main Authors: Chunyue Guo, Jun Zhou, Dengwen Li
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-02-01
Series:Frontiers in Plant Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fpls.2020.614851/full
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author Chunyue Guo
Jun Zhou
Jun Zhou
Dengwen Li
author_facet Chunyue Guo
Jun Zhou
Jun Zhou
Dengwen Li
author_sort Chunyue Guo
collection DOAJ
description IQ67-domain (IQD) proteins, first identified in Arabidopsis and rice, are plant-specific calmodulin-binding proteins containing highly conserved motifs. They play a critical role in plant defenses, organ development and shape, and drought tolerance. Driven by comprehensive genome identification and analysis efforts, IQDs have now been characterized in several species and have been shown to act as microtubule-associated proteins, participating in microtubule-related signaling pathways. However, the precise molecular mechanisms underpinning their biological functions remain incompletely understood. Here we review current knowledge on how IQD family members are thought to regulate plant growth and development by affecting microtubule dynamics or participating in microtubule-related signaling pathways in different plant species and propose some new insights.
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spelling doaj.art-31d54ea270ea4faaae66208a126177302022-12-21T23:02:59ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2021-02-011110.3389/fpls.2020.614851614851New Insights Into Functions of IQ67-Domain ProteinsChunyue Guo0Jun Zhou1Jun Zhou2Dengwen Li3State Key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin, ChinaState Key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin, ChinaInstitute of Biomedical Sciences, Shandong Provincial Key Laboratory of Animal Resistance Biology, Collaborative Innovation Center of Cell Biology in Universities of Shandong, College of Life Sciences, Shandong Normal University, Jinan, ChinaState Key Laboratory of Medicinal Chemical Biology, College of Life Sciences, Nankai University, Tianjin, ChinaIQ67-domain (IQD) proteins, first identified in Arabidopsis and rice, are plant-specific calmodulin-binding proteins containing highly conserved motifs. They play a critical role in plant defenses, organ development and shape, and drought tolerance. Driven by comprehensive genome identification and analysis efforts, IQDs have now been characterized in several species and have been shown to act as microtubule-associated proteins, participating in microtubule-related signaling pathways. However, the precise molecular mechanisms underpinning their biological functions remain incompletely understood. Here we review current knowledge on how IQD family members are thought to regulate plant growth and development by affecting microtubule dynamics or participating in microtubule-related signaling pathways in different plant species and propose some new insights.https://www.frontiersin.org/articles/10.3389/fpls.2020.614851/fullIQDscaffold proteinscortical microtubulesmicrotubule dynamicsorgan shape
spellingShingle Chunyue Guo
Jun Zhou
Jun Zhou
Dengwen Li
New Insights Into Functions of IQ67-Domain Proteins
Frontiers in Plant Science
IQD
scaffold proteins
cortical microtubules
microtubule dynamics
organ shape
title New Insights Into Functions of IQ67-Domain Proteins
title_full New Insights Into Functions of IQ67-Domain Proteins
title_fullStr New Insights Into Functions of IQ67-Domain Proteins
title_full_unstemmed New Insights Into Functions of IQ67-Domain Proteins
title_short New Insights Into Functions of IQ67-Domain Proteins
title_sort new insights into functions of iq67 domain proteins
topic IQD
scaffold proteins
cortical microtubules
microtubule dynamics
organ shape
url https://www.frontiersin.org/articles/10.3389/fpls.2020.614851/full
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