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Phylogeny and Functions of LOB Domain Proteins in Plants.


ABSTRACT: Lateral organ boundaries (LOB) domain (LBD) genes, a gene family encoding plant-specific transcription factors, play important roles in plant growth and development. At present, though there have been a number of genome-wide analyses on LBD gene families and functional studies on individual LBD proteins, the diverse functions of LBD family members still confuse researchers and an effective strategy is required to summarize their functional diversity. To further integrate and improve our understanding of the phylogenetic classification, functional characteristics and regulatory mechanisms of LBD proteins, we review and discuss the functional characteristics of LBD proteins according to their classifications under a phylogenetic framework. It is proved that this strategy is effective in the anatomy of diverse functions of LBD family members. Additionally, by phylogenetic analysis, one monocot-specific and one eudicot-specific subclade of LBD proteins were found and their biological significance in monocot and eudicot development were also discussed separately. The review will help us better understand the functional diversity of LBD proteins and facilitate further studies on this plant-specific transcription factor family.

SUBMITTER: Zhang Y 

PROVIDER: S-EPMC7178066 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Phylogeny and Functions of LOB Domain Proteins in Plants.

Zhang Yuwen Y   Li Ziwen Z   Ma Biao B   Hou Quancan Q   Wan Xiangyuan X  

International journal of molecular sciences 20200326 7


Lateral organ boundaries (LOB) domain (<i>LBD</i>) genes, a gene family encoding plant-specific transcription factors, play important roles in plant growth and development. At present, though there have been a number of genome-wide analyses on <i>LBD</i> gene families and functional studies on individual LBD proteins, the diverse functions of LBD family members still confuse researchers and an effective strategy is required to summarize their functional diversity. To further integrate and improv  ...[more]

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