The Chromosomes of Lathyrus Tuberosus.
نویسنده
چکیده
منابع مشابه
Influence of heat stress on genome of grass pea (Lathyrus sativus L.).
Meiosis is an event of high evolutionary stability that culminates in a reduction of chromosome number. Several abiotic environmental factors such as heat may cause anomalies at genetic level that ultimately impair fertility of the plant. In the present study, the effect of heat stress on various morphological and cytological parameters has been studied in Lathyrus sativus. The most interesting...
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In most eukaryotes, centromere is determined by the presence of the centromere-specific histone variant CenH3. Two types of chromosome morphology are generally recognized with respect to centromere organization. Monocentric chromosomes possess a single CenH3-containing domain in primary constriction, whereas holocentric chromosomes lack the primary constriction and display dispersed distributio...
متن کاملEpigenetic Histone Marks of Extended Meta-Polycentric Centromeres of Lathyrus and Pisum Chromosomes
Species of the legume genera Lathyrus and Pisum possess chromosomes that exhibit a unique structure of their centromeric regions, which is clearly apparent during metaphase by the formation of extended primary constrictions which span up to a third of the length of the chromosome. In addition, these species express two different variants of the CenH3 protein which are co-localized in multiple d...
متن کاملReciprocal translocations in grass pea (Lathyrus sativus L.): pattern of transmission, detection of multiple interchanges and their independence.
Grass pea (Lathyrus sativus L.) is a diploid crop having 2n = 14 chromosomes. Four different plant types, heterozygous for reciprocal translocation (RT), RT-1, RT-2, RT-3, and RT-4 showing pollen semisterility, were isolated in induced mutant population of three varieties of grass pea. Transmission rate of these 4 translocations was studied in advanced selfed and intercrossed progenies, whereas...
متن کاملگزارش گونه Cephalorrhynchus tuberosus برای اولین بار از ایران
گونه Cephalorrhynchus tuberosus به عنوان گزارش جدیدی از ایران معرفی می گردد. این گونه از نظر طول پاپوس و داشتن پاپوس های زبر از گونه نزدیک خود C. rechingerianus قابل تشخیص است. این گونه از آذربایجان شرقی بین اهر و تبریز جمع آوری شده است. کلید شنا سا یی برای گونه های Cephalorrhynchusموجود در ایران ارائه شده است.
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ورودعنوان ژورنال:
- Proceedings of the National Academy of Sciences of the United States of America
دوره 17 9 شماره
صفحات -
تاریخ انتشار 2005