Researchers from the Max Planck Institute of Molecular Plant Physiology looked for excessive starch accumulators in the model plant Arabidopsis thaliana that had been mutated using Agrobacterium tumefaciens. In one of the mutant plants, the starch granules were significantly larger compared to the controls. Christened NEX1 (meaning NOVEL STARCH EXCESS 1), the researchers believe that the mutation may have affected an enzyme involved in starch degradation. Alternatively, the starch granules themselves may be abnormal and resistant to being broken down for fuel. Usually, plants that store excessive amounts of starch are much smaller, as less sucrose is available to fuel growth. Remarkably, nex1 mutants are a similar size to normal, non-mutagenised plants.
For more details check https://www.omicsgroup.org/journals/medicinal-aromatic-plants.php
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