AIDS existed at the plant genome replication saline soils

AIDS existed at the plant genome replication saline soils

Researchers, resulting in flowering plant Arabidopsis thaliana genome copies polyploid two or more conditions, it was found that more potassium, its leaves have been collected and are showing a high tolerance for salt environments. Most flowering plants with two copies of a gene, are diploid.
Plant accumulation of immediate, direct impact Horticulture and Landscape Architecture Purdue University assistant professor of polyploid with essential nutrients in the leaves, said: "Brian Dilkes." "
Dilkes other nutrient absorption observed in the plant Arabidopsis said.
Many crops are polyploid, but in a variety of species, we can use the results of these studies, "he said."new ways to manipulate plants. "
Polyploid varieties resistance to sodium saline soil areas that make them valuable.
Because of its recurrence in the entire history of the plant, polyploidy has long been considered adaptive interests. However, most laboratory studies equivalent to four identical copies of the diploid and polyploid genomes, or very reliable. Dilkes polyploid polyploid evolution studies that have shown positive effects on the environment.
Dilkes and 21 elements diploid and polyploid Arabidopsis leaf samples from around the world measured their partner. The concentration of potassium in leaves increased by 32% - four identical sets of chromosomes of plants - their diploid counterparts obvious nutritional benefits, they found that tetraploid Arabidopsis.


"We have a variety of Arabidopsis genome doubling the lead, we have always found that potassium levels above the leaves," Dilkes said.
4 genomic copies of the plant diploid plants grown in saline environments than complement one showed greater survival and reproduction rates. The polyploid increase can be explained as potassium accumulation.
"Previous work plant tolerance to saline environments, a high potassium to sodium ratio to maintain one of the key factors that have been shown," Dilkes said. "The existence of these two elements balance is very important.
Polyploidyâ € ™ s study also from root to tip was sent into the graft union. Diploid and polyploid Arabidopsis buds are grafted on roots, leaves showed increased accumulation of potassium.
, "Dilkes said:" It's my roots, leaf nutrient concentrations should be responsible for nutrient uptake and trafficking suggests. "The leaves contain high amounts of potassium roots with a polyploid, you end up."
The development of polyploid rootstock for grafting, can be very valuable, Dilkes said. "You can choose saline tolerant fruit trees, and then there are other desirable characteristics and bud grafting rootstock."
Further research lead to accumulation of a large number of polyploid potassium is needed to determine the exact mechanism, Dilkes said.
Salt tolerance and survival of early plant polyploid species can reveal detail.
Saline desert land quality coverage flowering plants appeared on earth, "Dilkes said."