(PhysOrg.com) -- The evolution and diversification of the more than 300,000 living species of flowering plants may have been "jump started" much earlier than previously calculated, a new study indicates. According to Claude ...
Evolution
Apr 10, 2011
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Most cells of humans, animals, plants and fungi contain two sets of chromosomes with specific chromosome numbers—for example, in humans there are two sets of 23 chromosomes as carriers of genetic information. However, polyploid ...
Cell & Microbiology
Nov 9, 2022
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University of Arizona biology researchers have made a discovery that helps resolve a conundrum that has puzzled scientists for more than a century.
Biotechnology
Apr 20, 2018
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Most animals, including humans, have two copies of their genome—the full set of instructions needed to make every cell, tissue, and organ in the body.
Evolution
Jan 21, 2016
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A new University of Florida study shows genomes of a recently formed plant species to be highly unstable, a phenomenon that may have far-reaching evolutionary consequences.
Biotechnology
Jan 6, 2012
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An international team of scientists, including biologists from the University of North Carolina at Chapel Hill, may have pinpointed for the first time the mechanism responsible for cell polyploidy, a state in which cells ...
Cell & Microbiology
Nov 1, 2011
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A research team has elucidated the role of polyploidy in the evolution and breeding of vegetable crops, leveraging advanced sequencing technologies to dissect the genetic and epigenetic nuances of polyploids. Their findings ...
Molecular & Computational biology
Apr 16, 2024
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Long-distance dispersal (LDD) is one of the most important biogeographical processes. Polyploidy, or whole-genome duplication, has long been proposed as an intrinsic feature of LDD. However, it is still unclear how and to ...
Ecology
Dec 22, 2023
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During embryonic development, the programmed death of certain cells plays an essential role in shaping organs and allowing proper growth. This cell death is in some cases an effect of autophagy, a key cellular process responsible ...
Cell & Microbiology
Jul 19, 2023
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What do seedless watermelon, salmon, and strawberries all have in common? Unlike most eukaryotic multicellular organisms that have two sets of chromosomes and are diploid, these organisms are all polyploid, meaning they have ...
Biotechnology
Sep 30, 2014
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