Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1080/00087114.2018.1460520 |
First record of chromosome count and cytomixis in an endemic species of Clematis ladakhiana Grey-Wilson (Ranunculaceae) from cold deserts of Jammu and Kashmir | |
Khan, Nissar Ahmad; Singhal, Vijay Kumar; Gupta, Raghbir Chand | |
通讯作者 | Khan, Nissar Ahmad |
来源期刊 | CARYOLOGIA |
ISSN | 0008-7114 |
EISSN | 2165-5391 |
出版年 | 2018 |
卷号 | 71期号:3页码:233-237 |
英文摘要 | Meiotic investigations carried out from the cold desert regions of Ladakh (India) record the first ever chromosome count (2n = 32) and cytomixis in Clematis ladakhiana. The phenomenon of cytomixis involving chromatin transfer among 2-6 adjacent pollen mother cells (PMCs) through cytoplasmic channels was observed at different meiotic stages. The chromatin transfer resulted into hypo, hyperploid and enucleated PMCs. Although the frequency of meiocytes involved in chromatin transfer was low it induces abnormalities in chromatin and spindle activity, resulting into some pollen malformation in the form of variable sized fertile and sterile pollen grains. The Majority (86.60%) of the pollen grains observed were large sized, (86.60%) while (7.79%) are relatively small sized. |
英文关键词 | Clematis ladakhiana cytomixis chromatin transfer meiotic abnormalities pollen grains |
类型 | Article |
语种 | 英语 |
国家 | India |
收录类别 | SCI-E |
WOS记录号 | WOS:000444990100005 |
WOS关键词 | MEIOTIC ABNORMALITIES ; HIMACHAL-PRADESH ; POLLEN SIZE ; MEIOSIS ; L. |
WOS类目 | Plant Sciences ; Genetics & Heredity |
WOS研究方向 | Plant Sciences ; Genetics & Heredity |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/208310 |
作者单位 | Punjabi Univ, Dept Bot, Patiala, Punjab, India |
推荐引用方式 GB/T 7714 | Khan, Nissar Ahmad,Singhal, Vijay Kumar,Gupta, Raghbir Chand. First record of chromosome count and cytomixis in an endemic species of Clematis ladakhiana Grey-Wilson (Ranunculaceae) from cold deserts of Jammu and Kashmir[J],2018,71(3):233-237. |
APA | Khan, Nissar Ahmad,Singhal, Vijay Kumar,&Gupta, Raghbir Chand.(2018).First record of chromosome count and cytomixis in an endemic species of Clematis ladakhiana Grey-Wilson (Ranunculaceae) from cold deserts of Jammu and Kashmir.CARYOLOGIA,71(3),233-237. |
MLA | Khan, Nissar Ahmad,et al."First record of chromosome count and cytomixis in an endemic species of Clematis ladakhiana Grey-Wilson (Ranunculaceae) from cold deserts of Jammu and Kashmir".CARYOLOGIA 71.3(2018):233-237. |
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