Manual Bacterial Genetics in Natural Environments

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Focused Review ARTICLE
Contents:
  1. Microbial genetics
  2. 3.1: Horizontal Gene Transfer in Bacteria
  3. Horizontal Gene Transfer in Bacteria - Biology LibreTexts
  4. Table of contents

Superimposition of TyrR protein-mediated regulation on osmoresponsive transcription of Escherichia coli proU in vivo. Ishihama, and J.

Microbial genetics

Evidence for transcription attenuation rendering cryptic a ss-dependent promoter of the osmotically regulated proU operon of Salmonella typhimurium. A genetic strategy to demonstrate the occurrence of spontaneous mutations in nondividing cells within colonies of Escherichia coli. An Escherichia coli host strain useful for efficient overproduction of cloned gene products with NaCl as the inducer.

Identification and characterization of ssb and uup mutants with increased frequency of precise excision of transposon Tn 10 derivatives: nucleotide sequence of uup in Escherichia coli. Kusano, A. Ishihama, T. Mizuno, and J. Effects of H-NS and potassium glutamate on sS- and sdirected transcription in vitro from osmotically regulated P1 and P2 promoters of proU in Escherichia coli.

Regulation of kdp operon expression in Escherichia coli : evidence against turgor as signal for transcriptional control. Bacteriol Rajkumari, and J. Jayashree, and K.

Conjugation, Transformation and Transduction

Praszkier, A. Certoma, G. Eggertsson, J. Gowrishankar , G. Narasaiah, and M.


  • Background.
  • The Straw, The Coal, And The Bean?
  • Paper Machines: About Cards & Catalogs, 1548 – 1929 (History and Foundations of Information Science).

Regulation of phenylalanine biosynthesis in Escherichia coli K control of transcription of the pheA operon. Other Publications Dramatically novel ideas. Book reviews of "Molecular epidemiology of bacterial infectious disease in an age of rapid DNA sequencing and the Internet" by B.

Spratt and "Phage therapy: bacteriophage as natural, self-replicating and self-limiting antibiotics" by E. Genetics 80 : Sprucing up one's impact factor.

3.1: Horizontal Gene Transfer in Bacteria

Nature Journal impact factors for the individual scientist: an unnecessary evil. Dogs wagged by bureaucratic tails Letter. Patents on life forms: the case for. Book review of "Plagues: their origin, history and future" by C. Nature : Page charges and third-world scientists. ASM News 60 : 5.

The 17th International Congress of Genetics a personal reflection. Meeting report. Genetics 72 : What should India be doing in the human genome? Book review of "Bacterial genetics in natural environments" by J.

Horizontal Gene Transfer in Bacteria - Biology LibreTexts

Fry and M. Day, eds. Genetics 70 : Peer review. Gupta in collaboration with E. New Swatantra Times Our targets are microbial strains able to degrade various recalcitrant pollutants, especially aromatic and aliphatic hydrocarbons and their halogenated compounds.

Table of contents

The microbial genes and enzymes directly and indirectly involved in this degradation have been analyzed in detail. We have demonstrated that 1 the degradation genes and their clusters are often loaded on various mobile genetic elements MGEs such as transposons, plasmids, and integrative and conjugative elements and 2 their intra- and intercellular movement greatly contributes to i wide dissemination of nearly identical genes and their clusters in various phylogenetically distant microbial strains, and ii rapid evolution of the pollutant-degrading microbes.

Comparative genomic analysis of our target microbes has also definitely supported the important roles of the MGEs in the establishment of the present structures of microbial genomes.

For completion of whole genome sequencing and genome comparison, we have developed our own original software programs, which are available freely to academic scientists. We have also employed function- and sequence-driven metagenomic approaches to i directly isolate and characterize genes for the degradation of pollutants, and ii investigate the time-course response of the microbial community to pollutants in soil microcosms.

Tsuda, M. Fukuda, and Y. Kamagata eds. Microbial Genetics and Genomics The aim of this laboratory is to elucidate the molecular mechanisms of environmental adaptation and the evolution of microbial strains and their communities from standpoints of genetics, molecular biology, genomics, and molecular ecology.

The following are major topics of our research projects: Analysis of microbial biodegradation of various recalcitrant pollutants.