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Mol Biol Rep. 2013 Feb;40(2):1937-46. doi: 10.1007/s11033-012-2250-3. Epub 2012 Oct 21.

Genome-wide identification and analysis of late embryogenesis abundant (LEA) genes in Prunus mume.

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College of Landscape Architecture, China National Engineering Research Center for Floriculture, Beijing Forestry University, Beijing, 100083, China.


Late embryogenesis abundant (LEA) proteins play important roles in plant desiccation tolerance. In this study, 30 LEA genes were identified from Chinese plum (Prunus mume) through genome-wide analysis. The PmLEA genes are distributed on all Chinese plum chromosomes except chromosome 3. Twelve (40 %) and five PmLEA genes are arranged in tandem and segmental duplications, respectively. The PmLEA genes could be divided into eight groups (LEA_1, LEA_2, LEA_3, LEA_4, LEA_5, PvLEA18, dehydrin and seed maturation protein). Ten gene conversion events were observed and most of them (70 %) were identified in dehydrin group. Most PmLEA genes were highly expressed in flower (22/30) and up-regulated by ABA treatment (19/30).

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