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Full-Text Articles in Life Sciences
The Influence Of G4 Dna Structures On Stationary Phase Mutagenesis In Bacillus Subtilis, Tatiana Ermi
The Influence Of G4 Dna Structures On Stationary Phase Mutagenesis In Bacillus Subtilis, Tatiana Ermi
UNLV Theses, Dissertations, Professional Papers, and Capstones
Until the late 1980’s it was widely understood that bacterial variance emerges randomly during growth. Research that followed has convincingly shown evidence for mutations arising in non-growing conditions, a phenomenon known as stationary-phase mutagenesis. In Bacillus subtilis, an elegant mutagenic mechanism has been elucidated in non-growing cells that biases mutations to transcribed regions of a subpopulation. One interesting possibility is that mutations can be further biased to hotspots within genes through alternate DNA structures known as non-B DNA. Non-B DNA have been linked to genomic instability and disease in humans, lesser is known about its role in bacteria. Here we …
Beneficial Endophytic Bacterial Populations Associated With Medicinal Plant Thymus Vulgaris Alleviate Salt Stress And Confer Resistance To Fusarium Oxysporum, Osama Aballa Abdelshafy Mohamad, Jin-Bao Ma, Yong-Hong Liu, Daoyuan Zhang, Shao Hua, Shirkant Bhute, Brian P. Hedlund, Wen-Jun Li, Li Li
Beneficial Endophytic Bacterial Populations Associated With Medicinal Plant Thymus Vulgaris Alleviate Salt Stress And Confer Resistance To Fusarium Oxysporum, Osama Aballa Abdelshafy Mohamad, Jin-Bao Ma, Yong-Hong Liu, Daoyuan Zhang, Shao Hua, Shirkant Bhute, Brian P. Hedlund, Wen-Jun Li, Li Li
Life Sciences Faculty Research
As a result of climate change, salinity has become a major abiotic stress that reduces plant growth and crop productivity worldwide. A variety of endophytic bacteria alleviate salt stress; however, their ecology and biotechnological potential has not been fully realized. To address this gap, a collection of 117 endophytic bacteria were isolated from wild populations of the herb Thymus vulgaris in Sheikh Zuweid and Rafah of North Sinai Province, Egypt, and identified based on their 16S rRNA gene sequences. The endophytes were highly diverse, including 17 genera and 30 species. The number of bacterial species obtained from root tissues was …