期刊
PLANTS-BASEL
卷 12, 期 14, 页码 -出版社
MDPI
DOI: 10.3390/plants12142670
关键词
Ammopiptanthus nanus; ex situ conservation; ETS-SSR
Ammopiptanthus is a relict species with ancestral traits, surviving from the ancient Mediterranean retreat and climate drought. It is the only genus of super xerophytic, evergreen, broad-leaved shrubs. The genetic diversity study of Ammopiptanthus nanus, a species predominantly found in extremely arid and frigid environments, is crucial for its survival and ex situ conservation efforts.
Ammopiptanthus possesses ancestral traits and, as a tertiary relict, is one of the surviving remnants of the ancient Mediterranean retreat and climate drought. It is also the only genus of super xerophytic, evergreen, broad-leaved shrubs. Ammopiptanthus nanus, one of the two species in this genus, is predominantly found in extremely arid and frigid environments, and is increasingly threatened with extinction. Study of the species' genetic diversity is thus beneficial for its survival and the efficacy of ex situ conservation efforts. Based on transcriptome data, 15 pairs of effective EST-SSR were screened to evaluate A. nanus genetic diversity. In all, 87 samples from three populations were evaluated, the results of which show that ex situ conservation in the Wuqia region needs to be supplemented. Conservation and breeding of individual A. nanus offspring should be strengthened in the future to ensure their progeny continue to exhibit high genetic diversity and variation.
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