%0 Journal Article
%T Distribution of the cytoplasmic DNA in male cells of the Convolvulaceae and its systematic significance<br>旋花科植物雄性细胞的细胞质DNA存在状况及其系统学意义
%A HU Shi-Yi
%A YUAN Zong-Fei
%A <br>胡适宜
%A 袁宗飞
%J 中国科学院研究生院学报
%D 2002
%I 
%X The distribution of cytoplasmic DNA in generative and sperm cells of four species in four genera in the Convolvulaceae, i. e. , Calonyction aculeatum , Ipomoea aquatica , Quamoclit pennata and Cuscuta japonica, has been detected using DAPI fluorescent staining method. Cytoplasmic DNA is found to occur in generative and sperm cells of all the species except for Cuscuta japonica. This result, together with the previous reports that cytoplasmic DNA is also distributed in male cells of five species in Ipomoea, Pharbitis and Calystegia, may indicate that the presence of cytoplasmic DNA in generative and sperm cells is a general feature of the Convolvulaceae. The absence of such DNA in male cells in the genus Cuscuta supports the establishment of this genus as an independentfamily, the Cuscutaceae.
%K Convolvulaceae
%K Cuscutaceae
%K Cytoplasmic DNA
%K Cytoplasmic inheritance
%K Systematics<br>旋花科
%K 菟丝子科
%K 细胞质DNA
%K 细胞质遗传
%K 系统学
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=B5EDD921F3D863E289B22F36E70174A7007B5F5E43D63598017D41BB67247657&cid=B47B31F6349F979B&jid=67CDFDECD959936E166E0F72DE972847&aid=0C12B84E9FB30E74EF58DBD388E29A78&yid=C3ACC247184A22C1&vid=1371F55DA51B6E64&iid=B31275AF3241DB2D&sid=B99A53AADE50D922&eid=AF0641F74554D706&journal_id=1002-1175&journal_name=中国科学院研究生院学报&referenced_num=0&reference_num=0