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ScienceDaily: Plants & Animals News |
Researchers quantify Cas9-caused off-target mutagenesis in mice Posted: 19 Oct 2019 12:40 PM PDT Scientists are finding new ways to improve the use of the CRISPR enzyme Cas9 and reduce the chances of off-target mutations in laboratory mice, according to new results. The findings will help scientists contextualize a common concern related to gene editing and identify new strategies to improve its precision. |
Limiting mealtimes may increase your motivation for exercise Posted: 19 Oct 2019 12:40 PM PDT Limiting access to food in mice increases levels of the hormone, ghrelin, which may also increase motivation to exercise, according to a new study. The study suggests that a surge in levels of appetite-promoting hormone, ghrelin, after a period of fasting prompted mice to initiate voluntary exercise. |
Whole genome sequencing could help save pumas from inbreeding Posted: 18 Oct 2019 05:06 AM PDT The first complete genetic sequences of individual mountain lions point the way to better conservation strategies for saving threatened populations of the wild animals. |
First report of cotton blue disease in the United States Posted: 17 Oct 2019 01:22 PM PDT Reported from six counties in coastal Alabama in 2017, cotton blue disease affected approximately 25% of the state's cotton crop and caused a 4% yield loss. The disease was reported again in 2018, affecting 3-100% of cotton fields in Alabama but causing only a 1% yield loss. Symptoms, which include slowed plant growth, loss of chlorophyll, and dwarfing of infected leaves, usually do not appear until last August after full bloom. To date, there are no recommended strategies for management of this disease. |
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