نتایج جستجو برای: باکتری bacillus thuringiensis

تعداد نتایج: 69789  

Journal: :FEMS microbiology letters 1993
T Murakami K Hiraoka T Mikami T Matsumoto S Katagiri K Shinagawa M Suzuki

Flagellar antigen of Bacillus cereus H.1 was purified and tested for serodiagnostic antigen by ELISA. The antibody against the flagellar antigen of B. cereus H.1 reacted not only with the homologous specific antigen but also reacted with the flagellar antigens of 23 strains of B. cereus. This common flagellar antigen of B. cereus was found to be due to 61-kDa protein by SDS-PAGE and immunoblot ...

Journal: :Applied and environmental microbiology 1999
S Yamada E Ohashi N Agata K Venkateswaran

As 16S rRNA sequence analysis has proven inadequate for the differentiation of Bacillus cereus from closely related species, we employed the gyrase B gene (gyrB) as a molecular diagnostic marker. The gyrB genes of B. cereus JCM 2152(T), Bacillus thuringiensis IAM 12077(T), Bacillus mycoides ATCC 6462(T), and Bacillus anthracis Pasteur #2H were cloned and sequenced. Oligonucleotide PCR primer se...

Journal: :Journal of bacteriology 2002
Emilia Ghelardi Francesco Celandroni Sara Salvetti Douglas J Beecher Myriam Gominet Didier Lereclus Amy C L Wong Sonia Senesi

Bacillus thuringiensis is being used worldwide as a biopesticide, although increasing evidence suggests that it is emerging as an opportunistic human pathogen. While phospholipases, hemolysins, and enterotoxins are claimed to be responsible for B. thuringiensis virulence, there is no direct evidence to indicate that the flagellum-driven motility plays a role in parasite-host interactions. This ...

2015
Estibaliz Sansinenea Francisco Salazar Melanie Ramirez Aurelio Ortiz

BACKGROUND Bacillus thuringiensis is the most successful biological control agent used in agriculture, forestry and mosquito control. However, the insecticidal activity of the B. thuringiensis formulation is not very stable and rapidly loses its biological activity under field conditions, due to the ultraviolet radiation in sunlight. Melanin is known to absorb radiation therefore photo protecti...

Journal: :Science 2003
Matin Qaim David Zilberman

Onfarm field trials carried out with Bacillus thuringiensis (Bt) cotton in different states of India show that the technology substantially reduces pest damage and increases yields. The yield gains are much higher than what has been reported for other countries where genetically modified crops were used mostly to replace and enhance chemical pest control. In many developing countries, small-sca...

2016
Yanmin Liu Qingsong Liu Yanan Wang Xiuping Chen Xinyuan Song Jörg Romeis Yunhe Li Yufa Peng

Propylea japonica (Thunberg) (Coleoptera: Coccinellidae) is a prevalent pollen consumer in corn fields and is therefore exposed to insecticidal proteins contained in the pollen of insect-resistant transgenic corn cultivars expressing Cry proteins derived from Bacillus thuringiensis (Bt). In the present study, the potential effect of Cry1Ab/2Aj- or Cry1Ac-containing transgenic Bt corn pollen on ...

Journal: :Journal of vector ecology : journal of the Society for Vector Ecology 2001
P Seleena H L Lee Y F Chiang

2015
Lei Zhu Donghai Peng Yueying Wang Weixing Ye Jinshui Zheng Changming Zhao Dongmei Han Ce Geng Lifang Ruan Jin He Ziniu Yu Ming Sun

Bacillus thuringiensis has been globally used as a microbial pesticide for over 70 years. However, information regarding its various adaptions and virulence factors and their roles in the entomopathogenic process remains limited. In this work, we present the complete genomes of two industrially patented Bacillus thuringiensis strains (HD-1 and YBT-1520). A comparative genomic analysis showed a ...

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