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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0
Vegetable, fruit, or grain – the majority of our food results from plant reproduction. Researchers at UZH have now discovered the key to how plants regulate pollen growth and seed formation. In addition to seed formation, ...
Plants & Animals
Dec 20, 2017
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29
Lipids are the building blocks of the cell membrane. In addition to their structural function, some lipids also play a regulatory role and decisively influence cell growth. This has been investigated in a new study by scientists ...
Plants & Animals
Feb 15, 2021
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1263
A group of researchers from four countries has worked out exactly how a pollen tube, the plant cell that emerges from a grain of pollen, grows up to a thousand-fold to reach an ovule deep inside the flower. The key to this ...
Molecular & Computational biology
Aug 12, 2020
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87
An international research team has observed cell fusion in flowering plants for the first time in more than a century. The discovery demystifies how plants prevent the attraction of excessive pollen tubes after a successful ...
Cell & Microbiology
Apr 22, 2016
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13
Sexual reproduction of plants requires pollen to land on the stigma, which then germinates and grows pollen tubes through the style to deliver sperm cells to the ovule. Pollen tubes are the fastest-growing plant cells known. ...
Plants & Animals
Jan 4, 2023
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23
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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6
Agricultural biotechnologists at the Moscow Institute of Physics and Technology (MIPT) have developed a screening technique that can quickly determine how chemicals affect the growth of plants. Together with their colleagues ...
Plants & Animals
Oct 26, 2016
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5
Researchers, led by Dr. Li Hongju from the Institute of Genetics and Developmental Biology (IGDB) of the Chinese Academy of Sciences, have revealed that the female gamete in flowering plants controls fertilization recovery ...
Plants & Animals
Jul 28, 2023
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2
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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3
