Sentences with phrase «juvenile hormone»
The phrase "juvenile hormone" refers to a special kind of hormone found in insects. It helps control their growth and development, particularly in their early stages of life. This hormone tells the insect when to stay as a juvenile (young) or to transform into an adult. So, it basically influences the different stages of an insect's life cycle. Full definition
It seems that begging behaviour is at least partly hormonal: larvae with increased levels of juvenile hormone do more begging.
newscientist.com
Il Hwan Kim of the National Institutes of Health and colleagues discovered a protein of unknown function that specifically binds juvenile hormone in several species of mosquito.
Pyriproxyfen is an insect juvenile hormone analog, similar to methoprene and fenoxycarb.
My research focuses on understanding the role of Juvenile Hormone mimics on the Drosophila immune system.
Just before the second switch, they applied a chemical that acts like juvenile hormone to the larvae of three species that do not produce supersoldiers.
This phenomenon apparently occurs because the mutant flies lack a substance called juvenile hormone, which inhibits the flies» ability to enter diapause.
We conclude that juvenile hormone deficiency, which results from InR signal pathway mutation, is sufficient to extend life - span, and that in flies, insulin - like ligands nonautonomously mediate aging through retardation of growth or activation of specific endocrine tissue.
Juvenile hormone regulates development and reproduction in arthropods.
The Insect Growth Regulators (IGRs) used in Hartz flea and tick products, (S)- Methoprene and Pryiproxyfen, are classified as juvenile hormone mimics.
For instance, Tatar has also explored longevity and juvenile hormone in monarch butterflies.
Insect growth regulators are juvenile hormone analogs (resemble the natural growth factor found in the flea) that work by interfering with egg development and molting from various life stages of the flea.
Juvenile hormone is involved in translating environmental cues, such as nutrition, into the identity of the larvae.
Reproductive organs Not all monarchs migrate, but those that do lack a key enzyme that produces the juvenile hormone, which stimulates the reproductive organs.
Treatment of the long - lived InR dwarfs with a juvenile hormone analog restores life expectancy toward that of wild - type controls.
The discovery of the juvenile hormone was particularly unexpected.
Using a range of chemical and biological methods, the researchers discovered that this social fluid contains a diverse array of chemicals, including growth -, digestion -, and immune - related proteins; nest mate recognition cues; and a juvenile hormone, important for regulating ant reproduction, development, and behavior.
It does this by mimicking a juvenile hormone in the insect, and keeps the young from ever becoming adults.