期刊
MOLECULAR BIOLOGY REPORTS
卷 40, 期 2, 页码 1937-1946出版社
SPRINGER
DOI: 10.1007/s11033-012-2250-3
关键词
Chinese plum (Prunus mume); Late embryogenesis abundant; Dehydrin; Gene conversion
资金
- Ministry of Science and Technology [2011AA100207]
- State Forestry Administration of China [201004012]
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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