Photosystem I gene cassettes are present in marine virus genomes
نویسندگان
چکیده
منابع مشابه
Functional gene cassettes in development.
It has been noted in recent years that groups ofgenes are often used at multiple stages and multiple places of development. Comparison of the functions of each group of genes in different developmental context gave rise to the notion of "functional gene cassettes." These groups of genes can often be viewed as sets of tools; each group is suited to carry out a certain operation and may serve sim...
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ABSTRACT Background and Objective: Prophage sequences are major contributors to interstrain variations within the same bacterial species. Acinetobacter baumannii is a gram-negative bacterium that causes a wide range of nosocomial infections, especially in intensive care unit inpatients. Prophage sequences constitute a considerable proporti...
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The functional analysis of microbial genomes often requires gene inactivation. We constructed a set of cassettes consisting of single antibiotic resistance genes flanked by the attL and attR sites resulting from site-specific integration of the Streptomyces pSAM2 element. These cassettes can easily be used to inactivate genes by in-frame deletion in Streptomyces by a three-step strategy. In the...
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Integrons were detected in 59 of 120 (49%) urinary isolates of Enterobacteriaceae by PCR using degenerate primers targeted to conserved regions of class 1, 2, and 3 integrase genes. PCR sequencing analysis of the cassette arrays revealed a predominance of cassettes that confer resistance to the aminoglycosides and trimethoprim.
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This mini-review focuses on recent experimental results and questions, which came up since the last more comprehensive reviews on the subject. We include a brief discussion of the different techniques used for time-resolved studies of electron transfer in photosystem I (PS I) and relate the kinetic results to new structural data of the PS I reaction centre.
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ژورنال
عنوان ژورنال: Nature
سال: 2009
ISSN: 0028-0836,1476-4687
DOI: 10.1038/nature08284