Everyone's heard of the birds and the bees. But that old expression leaves out the flowers that are being fertilized. The fertilization process for flowering plants is particularly complex and requires extensive communication ...
Plants & Animals
Aug 22, 2014
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A 100-million-year old piece of amber has been discovered which reveals the oldest evidence of sexual reproduction in a flowering plant – a cluster of 18 tiny flowers from the Cretaceous Period – with one of them in the ...
Plants & Animals
Jan 3, 2014
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Millions of times on a spring day there is a dramatic biomolecular tango where the flower, rather than adorning a dancer's teeth, is the performer. In this dance, the female pistil leads, the male pollen tubes follow, and ...
Plants & Animals
Jun 20, 2013
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Sperm cell release can be triggered by tightening the grip around the delivery organ, according to a team of nano and microsystems engineers and plant biologists at the University of Montreal and Concordia University.
Cell & Microbiology
Apr 29, 2013
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University of Montreal researchers found that changes in gravity affect the reproductive process in plants. Gravity modulates traffic on the intracellular "highways" that ensure the growth and functionality of the male reproductive ...
Cell & Microbiology
Mar 13, 2013
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Two proteins involved in powdery mildew infection in plants also play an important role in fertilization.
Biotechnology
Nov 24, 2010
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(PhysOrg.com) -- Biologist Magdalena Bezanilla and colleagues at the University of Massachusetts Amherst have used a technique they call multi-gene silencing to, for the first time, simultaneously silence nine genes in a ...
Plants & Animals
Aug 25, 2009
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Double fertilization is a complex mechanism in flowering plants, wherein two sperm cells fuse with the embryo sac. To achieve this, pollens released from anthers must interact with the plant's stigma, hydrate, and germinate ...
Molecular & Computational biology
Aug 10, 2023
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Plant physiologists from MSU have proved for the first time that dangerous reactive oxygen species that are often considered by-products of energy generation in cells are required by conifers to fertilize egg cells. Experiments ...
Ecology
May 17, 2018
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Fertilization in flowering plants occurs by the delivery of sperm cells to the ovule by the precise growth of pollen tubes from pollen. Pollen tube guidance plays a crucial role in controlling the growth of pollen tubes and ...
Plants & Animals
Jan 3, 2018
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