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| DOI: | 10.1094/PHYTO.2009.99.6.S152 |
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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2009.99.6.S152
Last checked: 06/12/2009
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Young, C. |
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| Author Affiliation: | The Samuel Roberts Noble Foundation, Ardmore, Oklahoma |
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| Title: | Bioprotective secondary metabolites from fungal endophytes of cool season grasses |
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| Section: | Abstracts of special session presentations
Other records with the "Abstracts of special session presentations" Section
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| Meeting Info.: | Portland, Oregon: August 1-5, 2009 |
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| Source: | Phytopathology. Vol. 99, No. 6, June Supplement 2009, p. S152. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Epichloe; Endophytic fungi; Genetics; Acremonium; Cool season turfgrasses; Alkaloids
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| Abstract/Contents: | "The epichloae (Epichloe and Neotyphodium species) are important fungal symbionts that form mutualistic associations with cool season grasses. They are capable of producing a range of bioprotective alkaloids, such as peramine, lolines, ergot alkaloids and lolitrems, with anti-insect and anti-mammalian properties that help protect their grass host. The genes required for the synthesis of these four classes of alkaloids have been cloned and characterized from a number of endophytes found in agriculturally important grasses. As seen with other fungal secondary metabolite biosynthesis genes, the genes for three of the four alkaloids are present as co-regulated gene clusters. The lolitrem (ltm) biosynthesis genes from Neotyphodium lolii, an endophyte of perennial ryegrass (Lolium perenne), are found in a complex gene cluster interspersed with AT rich repetitive regions that are preferentially and highly expressed in planta. Metabolic profiles using HPLC and LC-MS/MS, and characterization of the indole-diterpene biosynthetic pathway using gene knockouts and naturally occurring isolates with variation at the LTM locus has shown that lolitrem B is produced by a complex biosynthetic grid rather than linear pathway." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
"2009 APS Annual Meeting"
"Subsection: Biology of plant pathogens - Coordinated regulation of fungal development and secondary metabolism during pathogenesis" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Young, C. 2009. Bioprotective secondary metabolites from fungal endophytes of cool season grasses. Phytopathology. 99(6):p. S152. |
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| DOI: 10.1094/PHYTO.2009.99.6.S152 |
| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2009.99.6.S152
Last checked: 06/12/2009
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: b2219736a |
| Find from within TIC:
Digitally in TIC by file name: phytp2009junspecialpres |
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