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258 results on '"Yu JiuJiang"'

19. Genome sequencing and analysis of Aspergillus oryzae

Author

Machida, Masayuki, Asai, Kiyoshi, Sano, Motoaki, Tanaka, Toshihiro, Kumagai, Toshitaka, Terai, Goro, Kusumoto, Ken-Ichi, Arima, Toshihide, Akita, Osamu, Kashiwagi, Yutaka, Abe, Keietsu, Gomi, Katsuya, Horiuchi, Hiroyuki, Kitamoto, Katsuhiko, Kobayashi, Tetsuo, Takeuchi, Michio, Denning, David W., Galagan, James E., Nierman, William C., Yu, Jiujiang, Archer, David B., Bennett, Joan W., Bhatnagar, Deepak, Cleveland, Thomas E., Fedorova, Natalie D., Gotoh, Osamu, Horikawa, Hiroshi, Hosoyama, Akira, Ichinomiya, Masayuki, Igarashi, Rie, Iwashita, Kazuhiro, Juvvadi, Praveen Rao, Kato, Masashi, Kato, Yumiko, Kin, Taishin, Kokubun, Akira, Maeda, Hiroshi, Maeyama, Noriko, Maruyama, Jun-ichi, Nagasaki, Hideki, Nakajima, Tasuku, Oda, Ken, Okada, Kinya, Paulsen, Ian, Sakamoto, Kazutoshi, Sawano, Toshihiko, Takahashi, Mikio, Takase, Kumiko, Terabayashi, Yasunobu, Wortman, Jennifer R., Yamada, Osamu, Yamagata, Youhei, Anazawa, Hideharu, Hata, Yoji, Koide, Yoshinao, Komori, Takashi, Koyama, Yasuji, Minetoki, Toshitaka, Suharnan, Sivasundaram, Tanaka, Akimitsu, Isono, Katsumi, Kuhara, Satoru, Ogasawara, Naotake, and Kikuchi, Hisashi

Subjects
Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Author(s): Masayuki Machida (corresponding author) [1]; Kiyoshi Asai [2]; Motoaki Sano [1]; Toshihiro Tanaka [3]; Toshitaka Kumagai [2]; Goro Terai [2, 20]; Ken-Ichi Kusumoto [4]; Toshihide Arima [5]; Osamu Akita [...]

Published
2005
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27. Nonfunctionality of Aspergillus sojae alfR in a strain of Aspergillus parasiticus with a disrupted alfR gene

Author

Takahashi, Tadashi, Chang, Perng-Kuang, Matsushima, Kenichiro, Yu, Jiujiang, Abe, Keietsu, Bhatnagar, Deepak, Cleveland, Thomas E., and Koyama, Yasuji

Subjects
Microbiological research -- Analysis, Microbiology -- Environmental aspects, Gene expression -- Physiological aspects, Aspergillus -- Genetic aspects, Aflatoxins -- Physiological aspects, Amylases -- Genetic aspects, Biological sciences
Abstract

Research has been conducted on Aspergillus parasiticus. The construction of A. parasiticus strain with deleted alfR gene has been carried out in determining the ability of A. sojae alfR coding region to fuse to the inducible amylase gene promoter and the results are reported.

Published
2002

34. adhA in Aspergillus parasiticus is involved in conversion of 5'-hydroxyaverantin to averufin

Author

Chang, Perng-Kuang, Yu, Jiujiang, Ehrlich, Kenneth C., Boue, Stephen M., Montalbano, Beverly G., Bhatnagar, Deepak, and Cleveland, Thomas E.

Subjects
Aspergillus -- Research, Microbial metabolism -- Research, Aflatoxins -- Research, Biological sciences
Abstract

Researchers have isolated a gene in Aspergillus parasiticus whose protein product dehydrogenates 5'-hydroxyaverantin to averufin. This is one of the steps in the synthesis of aflatoxin B(sub 1).

Published
2000

35. The carboxy-terminal portion of the aflatoxin pathway regulatory protein AFLR of Aspergillus parasiticus activates GAL1::lacZ gene expression in Saccharomyces cerevisiae

Author

Chang, Perng-Kuang, Yu, Jiujiang, Bhatnagar, Deepak, and Cleveland, Thomas E.

Subjects
Aflatoxins -- Research, Aspergillus -- Research, Saccharomyces -- Research, DNA binding proteins -- Research, Genetic regulation -- Research, Biological sciences
Abstract

Aflatoxin pathway regulatory protein (AFLR), a DNA-binding protein of 444 amino acids, transactivates the expression of aflatoxin biosynthesis genes in Aspergillus parasiticus and Aspergillus flavus, as well as the sterigmatocystin synthesis genes in Aspergillus nidulans. By fusion of various aflR gene coding regions to the GAL4 DNA-binding coding region, it was found that the AFLR carboxyl terminus contained a region that activated GAL1::lacZ gene expression in Saccharomyces cerevisiae and that the AFLR internal region was required for the activation activity.

Published
1999

38. Genomics of Aspergillus fumigatus

Author

Ronning, Catherine M., Fedorova, Natalie D., Bowyer, Paul, Coulson, Richard, Goldman, Gustavo, Stanley Kim, H., Turner, Geoffrey, Wortman, Jennifer R., Yu, Jiujiang, Anderson, Michael J., Denning, David W., and Nierman, William C.

Published
2005
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43. Characterization of the critical amino acids of an Aspergillus parasiticus Cytochrome P-450 monooxygenase encoded by ordA that is involved in the biosynthesis of aflatoxins B1, G1, B2, and G2

Author

Yu, Jiujiang, Chang, Perng-Kuang, Ehrlich, Kenneth C., Cary, Jeffrey W., Montalbano, Beverly, Dyer, John M., Bhatnagar, Deepak, and Cleveland, Thomas E.

Subjects
Aspergillus -- Research, Cytochrome P-450 -- Research, Amino acids -- Research, Aflatoxins -- Research, Biological sciences
Abstract

A study was conducted to clone the ordA and ordA1 genes of the aflatoxigenic strain Aspergillus parasiticus SRRC 143 and SRRC 2043, respectively, and to evaluate the function of the ordA gene in the formation of aflatoxins. Point mutations were introduced into the ordA gene using polymerase chain reaction-based site-directed mutagenesis while mycelia were obtained by filtration. Results indicated that cytochrome P-450 type enzymes were involved in the synthesis of different primary and secondary metabolites in filamentous fungi.

Published
1998

46. avnA, a gene encoding a cytochrome P-450 monoxygenase, is involved in the conversion of averantin to averufin in aflatoxin biosynthesis in Aspergillus parasiticus

Author

Yu, Jiujiang, Chang, Perng-Kuang, Cary, Jeffrey W., Bhatnagar, Deepak, and Cleveland, Thomas E.

Subjects
Cytochrome P-450 -- Genetic aspects, Aspergillus -- Genetic aspects, Aflatoxins -- Genetic aspects, Biological sciences
Abstract

The avnA gene from the filamentous fungi Aspergillus flavus, corresponding to one of the two transcripts found between the ver-1 and omtA genes on the gene cluster involved in the aflatoxin biosynthetic pathway, was sequenced. Its nucleotide sequence has a coding region for a protein of 495 amino acids with a molecular mass of 56.3 kDa. The gene is composed of three exons and two introns. Disruption of the avnA gene in the wild-type aflatoxigenic A. parasiticus strain produced a nonaflatoxigenic mutant which accumulated a bright yellow pigment.

Published
1997

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