Seeds with extra genomes that alter this critical ratio undergo a process known as interploidy seed abortion due to defective endosperm development. RNA Pol IV is an enzyme specific to plant ...

This research demonstrates the existence of an unexplored step between pollen tube guidance and fertilization, where PTCs have a major role in seed development. In crops, such as rice, corn and wheat, ...

Some plants are altruistic, too, new study suggests Date: February 1, 2013 Source: University of Colorado at Boulder Summary: We've all heard examples of animal altruism: Dogs caring for orphaned ...

Researchers in China have developed a genetic engineering approach capable of delivering many genes at once and used it to make rice endosperm--seed tissue that provides nutrients to the ...

Virtually all angiosperms have endosperm that is “triploid”, that is, it contains three copies of each chromosome: two from the mother and one from the father’s sperm. This triploid ...