Plants are not exposed to herbivores without defenses. When an insect feeds on a leaf, thereby wounding it and releasing oral secretions, a signaling cascade is elicited in the plant, usually starting with a rapid increase ...
Evolution
Aug 21, 2023
0
48
UMBC's Hua Lu, professor of biological sciences, and colleagues have found new genetic links between a plant's circadian rhythm (essentially, an internal clock) and its ability to fend off diseases and pests. The findings ...
Biotechnology
Jun 12, 2019
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107
Plants produce the hormone jasmonic acid as a defense response when challenged, making their leaves taste bad to predators. Biologists want to determine whether biological precursors and other variants of jasmonic acid lead ...
Biotechnology
Jun 1, 2020
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89
Given the sheer number of potential enemies, plants are resistant to most pests, even if they can cause damage to other plants. In a new study published in the journal Science, researchers at the Max Planck Institute for ...
Plants & Animals
Feb 3, 2022
0
105
In contrast to previous assumptions, the defense hormones salicylic acid and jasmonic acid do not always suppress each other in regulating plant chemical defenses against pests and pathogens. In trees, the interplay of both ...
Plants & Animals
May 3, 2022
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15
Jasmonic acid gives the plant Jasminum grandiflorum its characteristic odor and is used in the cosmetics and perfume industries. Plants wounded by things like chewing herbivores produce jasmonic acid as a defense signal, ...
Plants & Animals
Dec 10, 2018
0
6
Plant scientists at Iowa State University have shed new light on a genetic pathway that influences both plant growth and disease resistance, making it a promising target for breeding new crop varieties that can fight pathogens ...
Plants & Animals
Oct 25, 2018
0
71
The flash of lightning and the dance of auroras contain a fourth state of matter known as plasma, which researchers have harnessed to produce a gas that may activate plant immunity against wide-spread diseases.
Biotechnology
Aug 19, 2022
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31
Male sterility is important for seedless citrus breeding. A long juvenile phase and nucellar polyembryony leads to low efficiency of hybrid breeding in citrus. The Citrus research group in National Key Laboratory for Germplasm ...
Cell & Microbiology
Jul 7, 2023
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2
The changes that occur in fleshy fruits during ripening make them more sensitive than unripe fruit to infection by bacteria and fungi. The challenge for fruit production is to balance fruit ripening and pathogen resistance ...
Cell & Microbiology
Oct 25, 2022
0
16
