Novel Structural and Functional Motifs in cellulose synthase (CesA) Genes of Bread Wheat (Triticum aestivum, L.)

PloS One
Simerjeet KaurJaswinder Singh

Abstract

Cellulose is the primary determinant of mechanical strength in plant tissues. Late-season lodging is inversely related to the amount of cellulose in a unit length of the stem. Wheat is the most widely grown of all the crops globally, yet information on its CesA gene family is limited. We have identified 22 CesA genes from bread wheat, which include homoeologs from each of the three genomes, and named them as TaCesAXA, TaCesAXB or TaCesAXD, where X denotes the gene number and the last suffix stands for the respective genome. Sequence analyses of the CESA proteins from wheat and their orthologs from barley, maize, rice, and several dicot species (Arabidopsis, beet, cotton, poplar, potato, rose gum and soybean) revealed motifs unique to monocots (Poales) or dicots. Novel structural motifs CQIC and SVICEXWFA were identified, which distinguished the CESAs involved in the formation of primary and secondary cell wall (PCW and SCW) in all the species. We also identified several new motifs specific to monocots or dicots. The conserved motifs identified in this study possibly play functional roles specific to PCW or SCW formation. The new insights from this study advance our knowledge about the structure, function and evolution of the Ce...Continue Reading

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Citations

Aug 3, 2016·Functional & Integrative Genomics·Sorabh SethiKulvinder S Gill
Oct 16, 2016·Nucleic Acids Research·Yi WangDevin Coleman-Derr
Jun 22, 2017·Proceedings of the National Academy of Sciences of the United States of America·Surinder SinghJaswinder Singh
Jan 14, 2018·Planta·J Mabel Hernández-AltamiranoPenélope García-Angulo
Jan 31, 2018·Journal of Integrative Plant Biology·Tess R Scavuzzo-DugganAlison W Roberts
Nov 30, 2019·Cellular and Molecular Life Sciences : CMLS·Nora Gigli-BiscegliaThorsten Hamann
Sep 30, 2018·Biochemical Genetics·Muhammad Amjad NawazGyuhwa Chung

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Datasets Mentioned

BETA
AF027172
AF027173
AF027174
AB006703
AB016893
AF062485
AF088917
AL035526
At2G25540
AF200526

Methods Mentioned

BETA
RNA-seq

Software Mentioned

tBLASTn
ensembl
MEGA6
edgeR
Kallisto
Bioconductor
Color Align Conservation

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