Arid
DOI10.1560/IJPS.56.4.309
Studying the brown desert truffles of Israel
Kagan-Zur, Varda; Roth-Bejerano, Nurit
通讯作者Kagan-Zur, Varda
来源期刊ISRAEL JOURNAL OF PLANT SCIENCES
ISSN0792-9978
EISSN2223-8980
出版年2008
卷号56期号:4页码:309-314
英文摘要

The Israeli Negev is the habitat of at least two brown desert truffles, the most abundant of which is the complex known as Terfezia boudieri. Using molecular phylogenetic approaches, we were able to demonstrate the existence within this complex of three cryptic species exhibiting physiological, but not morphological, discriminating characters. A culture harboring two distinct internal transcribed spacer (ITS) types led us to the discovery of long-term heterokaryons in the glebal outgrowth of these truffles (Ascomycetes). Desert truffles form endomycorrhizas or Terfezia-type ectomycorrhizas. By following the formation of mycorrhizas in a laboratory system, we were able to unravel some of the underlying conditions responsible for the establishment of each type of association. Using a similar system, we also isolated genes involved in determining mycorrhizal type. Some of these genes were further analyzed, leading to identification of a peptide of unknown function that is involved in the determination process.


英文关键词Terfezia boudieri cryptic species life cycle determinants of mycorrhizal types
类型Article
语种英语
国家Israel
收录类别SCI-E
WOS记录号WOS:000270323900004
WOS关键词CISTUS-INCANUS ; MYCORRHIZAL ASSOCIATIONS ; TERFEZIA-CLAVERYI ; ROOT CLONES ; LIFE-CYCLE ; HELIANTHEMUM ; GENERA ; CULTIVATION ; LEFEBVREI ; PEZIZALES
WOS类目Plant Sciences
WOS研究方向Plant Sciences
来源机构Ben-Gurion University of the Negev
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/157815
作者单位Ben Gurion Univ Negev, Dept Life Sci, IL-84105 Beer Sheva, Israel
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Kagan-Zur, Varda,Roth-Bejerano, Nurit. Studying the brown desert truffles of Israel[J]. Ben-Gurion University of the Negev,2008,56(4):309-314.
APA Kagan-Zur, Varda,&Roth-Bejerano, Nurit.(2008).Studying the brown desert truffles of Israel.ISRAEL JOURNAL OF PLANT SCIENCES,56(4),309-314.
MLA Kagan-Zur, Varda,et al."Studying the brown desert truffles of Israel".ISRAEL JOURNAL OF PLANT SCIENCES 56.4(2008):309-314.
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