Expression analysis of LIM gene family in poplar, toward an updated phylogenetic classification.

BMC Research Notes
Dominique ArnaudGilles Pilate

Abstract

Plant LIM domain proteins may act as transcriptional activators of lignin biosynthesis and/or as actin binding and bundling proteins. Plant LIM genes have evolved in phylogenetic subgroups differing in their expression profiles: in the whole plant or specifically in pollen. However, several poplar PtLIM genes belong to uncharacterized monophyletic subgroups and the expression patterns of the LIM gene family in a woody plant have not been studied. In this work, the expression pattern of the twelve duplicated poplar PtLIM genes has been investigated by semi quantitative RT-PCR in different vegetative and reproductive tissues. As in other plant species, poplar PtLIM genes were widely expressed in the tree or in particular tissues. Especially, PtXLIM1a, PtXLIM1b and PtWLIM1b genes were preferentially expressed in the secondary xylem, suggesting a specific function in wood formation. Moreover, the expression of these genes and of the PtPLIM2a gene was increased in tension wood. Western-blot analysis confirmed the preferential expression of PtXLIM1a protein during xylem differentiation and tension wood formation. Genes classified within the pollen specific PLIM2 and PLIM2-like subgroups were all strongly expressed in pollen but also ...Continue Reading

References

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Oct 1, 2004·The New Phytologist·Florian LafarguetteGilles Pilate

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Citations

Aug 5, 2014·BMC Genomics·Jong-In ParkIll-Sup Nou
Mar 8, 2013·Plant Physiology and Biochemistry : PPB·Yang LiXue-Bao Li
Jul 3, 2015·Frontiers in Plant Science·Qi ZhaoShaojun Dai
Oct 21, 2016·Plant Physiology and Biochemistry : PPB·Khadiza KhatunMi-Young Chung
Jun 19, 2017·Planta·Vikas Srivastava, Praveen Kumar Verma
Nov 29, 2013·Journal of Cell Science·Céline HoffmannClément Thomas
May 11, 2021·Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology·Xiaolin ZhuXiaohong Wei

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Methods Mentioned

BETA
chips
PCR

Software Mentioned

PtLIM

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