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农作物 214 植物学 47 农学(农艺学) 32
遗传学 32 植物保护 28 农业基础科学 14
园艺 10 畜牧、动物医学、狩猎、蚕、蜂 10 分子生物学 7
农业科学::农作物 5 昆虫学 5 农业工程 4
地球科学::海洋科学::海洋生物学 4 主要研究方向::海洋生物学 3 水产学::水产养殖学 3
生物化学与分子生物学 3 Plant Sciences (Provided By Clarivate Analytics) 2 水产、渔业 2
环境污染及其防治 2 环境科学::环境化学 2 生态学 2
生物学 2 生物科学 2 生物科学::植物学 2
科技史::生物学史 2 转基因生物新品种培育 2 Agriculture (Provided By Clarivate Analytics) 1
Agriculture; Immunology; Genetics & Heredity 1 Biochemistry & Molecular Biology; Genetics & Heredity; Plant Sciences 1 Conservation genetics of L. decora: The nucleotide sequences from three chloroplast DNA (cpDNA) regions (the rpl16 intron, trnQ-5’rps16 intergenic spacer and rpl32-trnL intergenic spacer) and two nuclear gene (GAPDH and GBSSI) were selected to characterize the genetic structure and phylogeography of this species. Eleven populations were sampled across the distribution range of L. decora in China. Low levels of cpDNA genetic diversity were found in this species and within populations, with the identification of 2 haplotypes in a total of 2745 bp (cpDNA: π = 0.00102, Hd = 0.468, HT = 0.480), while the levels of genetic diversity revealed by the nuclear gene GAPDH and GBSSI (GAPDH: π = 0.00237, Hd = 0.773, HT = 0.807; GBSSI: π = 0.00167, Hd = 0.751, HT = 0.790) were relatively high, indicating that random losses of genetic polymorphisms from populations may have occurred recently. Relatively high genetic differentiation for both markers (cpDNA: GST = 0.899, FST = 0.893; GAPDH: GST = 0.309, FST = 0.432; GBSSI: GST = 0.274, FST = 0.263) were detected at the wide-species level. Two cpDNA haplotypes, twelve GAPDH haplotypes and ten GBSSI haplotypes were recovered, respectively. Almost every population except the population SP was fixed for one cpDNA haplotype, causing no variation within the populations. Several nuclear haplotypes were distributed widely in most populations. These results may be mainly explained by long-term fragmentation and the limited gene flow caused by geographic isolation among populations. The mismatch distribution analyses and neutrality tests provided no evidence for a recent population expansion in L. decora. The time of all GAPDH haplotypes coalesced to the most recent common ancestor was dated to between 0.46 (95% CI 0.14-0.89)-0.65 (95% CI 0.18-1.22)mya, which predates the LGM. In situ shrinking or extinction might have occurred to L. decora during the glacial ages and L. decora populations did not retreat to common refugia or migrated backwards. Based on the genetic diversity and uniqueness of the populations, conservation strategies are discussed for this endangered species.2. 1
Developmental Biology; Genetics & Heredity; Physiology 1 Environmental Sciences & Ecology 1 Fisheries (Provided By Clarivate Analytics) 1
Forestry (Provided By Clarivate Analytics) 1 Genetics & Heredity (Provided By Clarivate Analytics) 1 Genetics & Heredity; Zoology; Obstetrics & Gynecology; Biochemistry & Molecular Biology; Reproductive Biology 1
Pediatrics; Geriatrics & Gerontology; Genetics & Heredity; Anthropology; Immunology; Oncology 1 Y染色体 1 主要研究方向::海洋生物技术 1
主要研究方向:海洋生物学 1 农业科学 1 农学::园艺学 1
分子无性繁殖 1 动物学 1 地球科学::海洋科学 1
基因定位 1 天然产物研究 1 工学 1
普通生物学 1 杂交 1 杂交物种 1
林业 1 梅花鹿 1 植物生殖生物学 1
理学 1 生物学::生态学::生理生态学 1 生物学::生物学其他学科 1
生物学::遗传学::群体遗传学 1 生物科学::动物学 1 细胞学 1
细胞生物学 1 能育性 1 马鹿 1
鹿科 1

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