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Tag: "salt" at biology news

Ancient genes used to produce salt-tolerant wheat

...nown as Nax1 and Nax2. The genes work by excluding salt from different parts of the plant: one from the ro...ased on their understanding of how plants tolerate salt -- to identify wheat varieties that could cope with higher salinity. They were particularly interest...

Scientists seek useful traits in wild cottons

...uch as insect and disease resistance, and drought, salt and cold tolerance. Scientists at Lubbock...ens cotton grown hydroponically ?without soil ?for salt tolerance. Seedlings are incrementally subjected to different concentrations of salt, which can reac...

Simple home spit test to spot deadly pre-eclampsia

...he new test works by monitoring levels of urate, a salt of uric acid, increased levels of which are thought to be due to impaired kidney excretion in pre-eclampsia. 'A salivary urate test is simple, non-invasive, quick and cheap and can be done at any time. As a metabolic test independent of blood pres...

8 plants from South Africa may hold potential for treating high blood pressure

...ivity. The plants were then subjected to a gelatin salt block test for tannins to eliminate any false positive results. None of the plants tested positive for tannins, hence eliminating any false positive results. Ultimately, the eight plants that showed significant ACEI activity in both extract forms...

Salty oceans provide early warning for climate change

...mate change. Significant increases or decreases in salt in key areas could forewarn of climate change in 1...te data scientists are increasingly realising that salt is the key. Their results reveal that a build up of salty water can stimulate deep water circulat...

Caribbean frogs started with a single, ancient voyage on a raft from South America

...od typically used by land animals to travel across salt water. "Some rafts of flotsam, if they are washed...ause frogs dry easily and are not very tolerant of salt water. In addition to the study's discoveries about Caribbean and Central American frogs, the res...

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