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单词 kairomone
释义

Definition of kairomone in English:

kairomone

noun ˈkʌɪrəməʊnˈkīrəˌmōn
Biology
  • A chemical substance emitted by an organism and detected by another of a different species which gains advantage from this, e.g. a parasite seeking a host.

    Example sentencesExamples
    • ‘There are a lot of known kairomones, but most are worthless for commercial applications to monitor insects under field conditions,’ Henrick says.
    • But for some specialist insects, cyanide and cyanogenic compounds can serve as phagostimulants and kairomones.
    • Thus, natural selection should favor parasitoids that utilize as kairomones only the chemicals that uniquely and reliably identify potential hosts.
    • According to Torr, ‘Tsetse use host kairomones to locate their hosts by a process termed ‘odour-mediated upwind anemotaxis’.
    • Unlike a pheromone, which involves only one species, kairomones are chemicals emitted by one species - in this case pears - that attract and benefit another, such as codling moths.

Origin

1970s: from Greek kairos ‘advantage, opportunity’, on the pattern of pheromone.

 
 

Definition of kairomone in US English:

kairomone

nounˈkīrəˌmōn
Biology
  • A chemical substance emitted by an organism and detected by another of a different species which gains advantage from this, e.g. a parasite seeking a host.

    Example sentencesExamples
    • Thus, natural selection should favor parasitoids that utilize as kairomones only the chemicals that uniquely and reliably identify potential hosts.
    • But for some specialist insects, cyanide and cyanogenic compounds can serve as phagostimulants and kairomones.
    • ‘There are a lot of known kairomones, but most are worthless for commercial applications to monitor insects under field conditions,’ Henrick says.
    • According to Torr, ‘Tsetse use host kairomones to locate their hosts by a process termed ‘odour-mediated upwind anemotaxis’.
    • Unlike a pheromone, which involves only one species, kairomones are chemicals emitted by one species - in this case pears - that attract and benefit another, such as codling moths.

Origin

1970s: from Greek kairos ‘advantage, opportunity’, on the pattern of pheromone.

 
 
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更新时间:2024/12/22 19:06:16