Search Results - "Ehrlich, K.C"

Aflatoxin biosynthesis gene clusters and flanking regions by Ehrlich, K.C, Yu, J, Cotty, P.J

“…Aims: To compare the biosynthetic gene cluster sequences of the main aflatoxin (AF)-producing Aspergillus species. Methods and Results: Sequencing was on…”
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Characterization of the Aspergillus ochraceoroseus aflatoxin/sterigmatocystin biosynthetic gene cluster by Cary, J.W, Ehrlich, K.C, Beltz, S.B, Harris-Coward, P, Klich, M.A

“…Production of carcinogenic aflatoxins has been reported from members of Aspergillus section Flavi, Aspergillus section Nidulantes and a newly proposed…”
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Binding of the C6-zinc cluster protein, AFLR, to the promoters of aflatoxin pathway biosynthesis genes in Aspergillus parasiticus by Ehrlich, K.C., Montalbano, B.G., Cary, J.W.

“…AFLR is a Zn 2Cys 6-type sequence-specific DNA-binding protein that is thought to be necessary for expression of most of the genes in the aflatoxin pathway…”
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Analysis of primer-derived, nonspecific amplification products in RAPD-PCR by Pan, Y B, Burner, D M, Ehrlich, K C, Grisham, M P, Wei, Q

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Clustered pathway genes in aflatoxin biosynthesis by Yu, J, Chang, P.K, Ehrlich, K.C, Cary, J.W, Bhatnagar, D, Cleveland, T.E, Payne, G.A, Linz, J.E, Woloshuk, C.P, Bennett, J.W

“…Aflatoxins are the most toxic and carcinogenic compounds among the known mycotoxins, however only four contaminate agricultural commodities and pose a…”
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Identification and cloning of a second phytase gene (phyB) from Aspergillus niger (ficuum) by Ehrlich, K C, Montalbano, B G, Mullaney, E J, Dischinger, Jr, H C, Ullah, A H

“…An Aspergillus niger (ficuum) genomic DNA lambda EMBL3 library was probed with a 354-bp DNA fragment obtained by polymerase chain reaction of A. niger DNA with…”
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Aflatoxin-producing Aspergillus species from Thailand by Ehrlich, Kenneth C., Kobbeman, Kerri, Montalbano, Beverly G., Cotty, Peter J.

“…Aflatoxin-producing Aspergillus species were isolated from soil samples from ten different regions within Thailand. Aspergillus flavus was present in all of…”
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isolate of Aspergillus flavus used to reduce aflatoxin contamination in cottonseed has a defective polyketide synthase gene by Ehrlich, K.C, Cotty, P.J

“…Contamination of certain foods and feeds with the highly toxic and carcinogenic family of Aspergillus mycotoxins, the aflatoxins, can place a severe economic…”
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An acid phosphatase from Aspergillus ficuum has homology to Penicillium chrysogenum PhoA by Ehrlich, K C, Montalbano, B G, Mullaney, E J, Dischinger, Jr, H C, Ullah, A H

“…Three secreted acid phosphatases had previously been characterized from Aspergillus ficuum grown under conditions of limited phosphate. One of these could not…”
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Fragmentation of an aflatoxin-like gene cluster in a forest pathogen by Bradshaw, Rosie E., Slot, Jason C., Moore, Geromy G., Chettri, Pranav, Wit, Pierre J. G. M., Ehrlich, Kenneth C., Ganley, Austen R. D., Olson, Malin A., Rokas, Antonis, Carbone, Ignazio, Cox, Murray P.

“…Plant pathogens use a complex arsenal of weapons, such as toxic secondary metabolites, to invade and destroy their hosts. Knowledge of how secondary metabolite…”
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Aflatoxin biosynthesis cluster gene cypA is required for G aflatoxin formation by Ehrlich, K.C, Chang, P.K, Yu, J, Cotty, P.J

“…Aspergillus flavus isolates produce only aflatoxins B1 and B2, while Aspergillus parasiticus and Aspergillus nomius produce aflatoxins B1, B2, G1, and G2…”
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Molecular genetic analysis and regulation of aflatoxin biosynthesis by Bhatnagar, D, Ehrlich, K.C, Cleveland, T.E

“…Aflatoxins, produced by some Aspergillus species, are toxic and extremely carcinogenic furanocoumarins. Recent investigations of the molecular mechanism of AFB…”
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Cyclopiazonic acid biosynthesis by Aspergillus flavus by Chang, P.-K., Ehrlich, K.C.

“…Cyclopiazonic acid (CPA) is an indole-tetramic acid mycotoxin produced by some strains of Aspergillus flavus. Characterization of the CPA biosynthesis gene…”
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Dothistromin genes at multiple separate loci are regulated by AflR by Chettri, Pranav, Ehrlich, Kenneth C., Cary, Jeffrey W., Collemare, Jérôme, Cox, Murray P., Griffiths, Scott A., Olson, Malin A., de Wit, Pierre J.G.M., Bradshaw, Rosie E.

“…► Dothistromin toxin genes are not clustered but are regulated by AflR. ► Dothistromin gene expression levels are independent of telomeric location. ►…”
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Cladal relatedness among Aspergillus oryzae isolates and Aspergillus flavus S and L morphotype isolates by Chang, Perng-Kuang, Ehrlich, Kenneth C., Hua, Sui-Sheng T.

“…Aspergillus flavus is the main etiological agent for aflatoxin contamination of crops. Its close relative, A. oryzae, does not produce aflatoxins and has been…”
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Starter unit specificity directs genome mining of polyketide synthase pathways in fungi by Crawford, Jason M., Vagstad, Anna L., Ehrlich, Kenneth C., Townsend, Craig A.

“…Search of the protein database with the aflatoxin pathway polyketide synthase (PKS) revealed putative PKSs in the pathogenic fungi Coccidioides immitis and…”
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Increased sensitivity of Aspergillus flavus and Aspergillus parasiticus aflatoxin biosynthesis polyketide synthase mutants to UVB light by Ehrlich, K C, Wei, Q, Bhatnagar, D

“…One strategy to reduce aflatoxin contamination of maize and cottonseed is to introduce spores of non-aflatoxigenic strains as competitors. Using isogenic…”
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Variability in nitrogen regulation of aflatoxin production by Aspergillus flavus strains by Ehrlich, K.C, Cotty, P.J

“…Aflatoxins are toxic and carcinogenic metabolites of several Aspergillus species. The effect of nitrate on aflatoxin production and expression of the key…”
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A novel, highly modified, bacteriophage DNA in which thymine is partly replaced by a phosphoglucuronate moiety covalently bound to 5-(4',5'-dihydroxypentyl)uracil by Ehrlich, M, Ehrlich, K C

“…Bacteriophage SP-15, which infects Bacillus subtilis, contains a highly modified DNA in which 62% of its thymine residues are replaced by…”
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Increased expression of Aspergillus parasiticus aflR, encoding a sequence-specific DNA-binding protein, relieves nitrate inhibition of aflatoxin biosynthesis by Chang, P.K. (Tulane University, New Orleans, LA.), Ehrlich, K.C, Yu, J.J, Bhatnagar, D, Cleveland, T.E

“…The aflR gene from Aspergillus parasiticus and Aspergillus flavus may be involved in the regulation of aflatoxin biosynthesis. The aflR gene product, AFLR,…”
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