广西植物
廣西植物
엄서식물
GUIHAIA
2014年
5期
596-600
,共5页
韦范%张广荣%覃永贤%刘付永清%唐绍清
韋範%張廣榮%覃永賢%劉付永清%唐紹清
위범%장엄영%담영현%류부영청%당소청
梵净山冷杉%元宝山冷杉%叶绿体微卫星%遗传多样性
梵淨山冷杉%元寶山冷杉%葉綠體微衛星%遺傳多樣性
범정산랭삼%원보산랭삼%협록체미위성%유전다양성
Abies fanjingshanensis%A.yuanbaoshanensis%chloroplast microsatellite%genetic diversity
梵净山冷杉和元宝山冷杉是极度濒危的国家一级重点保护植物.应用叶绿体微卫星标记(cpSSR)研究它们的遗传多样性,并与同属的广布种岷江冷杉的一个种群进行比较.结果表明:3对 cpSSR 引物(Pt63718、Pt30204和Pt71936)在这3种冷杉的249个个体中共检测到21个等位基因,组成35种单倍型;它们的单倍型数和有效单倍型数分别为梵净山冷杉(No=12,Ne=3.92),元宝山冷杉(No=9,Ne=3.28),两者均低于广布种岷江冷杉(No=14,Ne=11.57);梵净山冷杉和元宝山冷杉的稀有单倍型较少,其频率最高的单倍型分别出现在该种群的46.0%和44.1%的个体中;梵净山冷杉(He=0.75)和元宝山冷杉(He=0.70)的单倍型多样性也低于岷江冷杉(He=0.97).梵净山冷杉和元宝山冷杉的叶绿体微卫星遗传多样性水平低.
梵淨山冷杉和元寶山冷杉是極度瀕危的國傢一級重點保護植物.應用葉綠體微衛星標記(cpSSR)研究它們的遺傳多樣性,併與同屬的廣佈種岷江冷杉的一箇種群進行比較.結果錶明:3對 cpSSR 引物(Pt63718、Pt30204和Pt71936)在這3種冷杉的249箇箇體中共檢測到21箇等位基因,組成35種單倍型;它們的單倍型數和有效單倍型數分彆為梵淨山冷杉(No=12,Ne=3.92),元寶山冷杉(No=9,Ne=3.28),兩者均低于廣佈種岷江冷杉(No=14,Ne=11.57);梵淨山冷杉和元寶山冷杉的稀有單倍型較少,其頻率最高的單倍型分彆齣現在該種群的46.0%和44.1%的箇體中;梵淨山冷杉(He=0.75)和元寶山冷杉(He=0.70)的單倍型多樣性也低于岷江冷杉(He=0.97).梵淨山冷杉和元寶山冷杉的葉綠體微衛星遺傳多樣性水平低.
범정산랭삼화원보산랭삼시겁도빈위적국가일급중점보호식물.응용협록체미위성표기(cpSSR)연구타문적유전다양성,병여동속적엄포충민강랭삼적일개충군진행비교.결과표명:3대 cpSSR 인물(Pt63718、Pt30204화Pt71936)재저3충랭삼적249개개체중공검측도21개등위기인,조성35충단배형;타문적단배형수화유효단배형수분별위범정산랭삼(No=12,Ne=3.92),원보산랭삼(No=9,Ne=3.28),량자균저우엄포충민강랭삼(No=14,Ne=11.57);범정산랭삼화원보산랭삼적희유단배형교소,기빈솔최고적단배형분별출현재해충군적46.0%화44.1%적개체중;범정산랭삼(He=0.75)화원보산랭삼(He=0.70)적단배형다양성야저우민강랭삼(He=0.97).범정산랭삼화원보산랭삼적협록체미위성유전다양성수평저.
Abies fanjingshanensis and A.yuanbaoshanensis are critically endangered plants.We used chloroplast mic-rosatellite marker to compare the genetic diversity of A.yuanbaoshanensis and A.fanjingshanensis with a widely distributed species A.fargesii var.faxoniana.A total of 21 alleles and 35 haplotypes was detected in 249 individuals from 3 pairs of primer(Pt63718,Pt30204 and Pt71936).The number of haplotypes(No),effective number of haplo-types(Ne)of A.fanjingshanensis(No=12,Ne=3.92)and A.yuanbaoshanensis(No=9,Ne=3.28)were lower than A.fargesii var.faxoniana.A.fanjingshanensis and A.yuanbaoshanensis had less rare haplotypes.The haplotype diversity(He)of A.fanjingshanensis(He=0.75)and A.yuanbaoshanensis(He=0.70)were also lower than A. fargesii var.faxoniana(He=0.97).A.fanjingshanensis and A.yuanbaoshanensis had a relatively low level of ge-netic diversity at chloroplast microsatellite.