Sex-linked genetic influence on caste determination in a termite

Yoshinobu Hayashi, Nathan Lo, Hitoshi Miyata, Osamu Kitade

Research output: Contribution to journalArticle

56 Citations (Scopus)

Abstract

The most ecologically successful and destructive termite species are those with both a nymph caste and an irreversibly wingless worker caste. The early developmental bifurcation separating these castes is widely accepted to be strictly environmentally determined. We present evidence that genotype also influences this process. Offspring from four different crosses of nymph- and worker-derived secondary reproductive individuals had strongly differentiated caste and sex ratios, despite uniform rearing conditions. These data fit an X-linked, one-locus-two-allele model. Of five possible genotypes, one was lethal, two resulted in workers, and two resulted in either nymphs or environmentally determined workers. Caste is thus controlled both by environment and by a complex genetic inheritance pattern.

Original languageEnglish
Pages (from-to)985-987
Number of pages3
JournalScience
Volume318
Issue number5852
DOIs
Publication statusPublished - 2007 Nov 2
Externally publishedYes

Fingerprint

Isoptera
Social Class
Nymph
Genotype
Controlled Environment
Inheritance Patterns
Sex Ratio
Alleles

ASJC Scopus subject areas

  • General

Cite this

Sex-linked genetic influence on caste determination in a termite. / Hayashi, Yoshinobu; Lo, Nathan; Miyata, Hitoshi; Kitade, Osamu.

In: Science, Vol. 318, No. 5852, 02.11.2007, p. 985-987.

Research output: Contribution to journalArticle

Hayashi, Yoshinobu ; Lo, Nathan ; Miyata, Hitoshi ; Kitade, Osamu. / Sex-linked genetic influence on caste determination in a termite. In: Science. 2007 ; Vol. 318, No. 5852. pp. 985-987.
@article{983ade3a72f944d886f2781e90ba0572,
title = "Sex-linked genetic influence on caste determination in a termite",
abstract = "The most ecologically successful and destructive termite species are those with both a nymph caste and an irreversibly wingless worker caste. The early developmental bifurcation separating these castes is widely accepted to be strictly environmentally determined. We present evidence that genotype also influences this process. Offspring from four different crosses of nymph- and worker-derived secondary reproductive individuals had strongly differentiated caste and sex ratios, despite uniform rearing conditions. These data fit an X-linked, one-locus-two-allele model. Of five possible genotypes, one was lethal, two resulted in workers, and two resulted in either nymphs or environmentally determined workers. Caste is thus controlled both by environment and by a complex genetic inheritance pattern.",
author = "Yoshinobu Hayashi and Nathan Lo and Hitoshi Miyata and Osamu Kitade",
year = "2007",
month = "11",
day = "2",
doi = "10.1126/science.1146711",
language = "English",
volume = "318",
pages = "985--987",
journal = "Science",
issn = "0036-8075",
publisher = "American Association for the Advancement of Science",
number = "5852",

}

TY - JOUR

T1 - Sex-linked genetic influence on caste determination in a termite

AU - Hayashi, Yoshinobu

AU - Lo, Nathan

AU - Miyata, Hitoshi

AU - Kitade, Osamu

PY - 2007/11/2

Y1 - 2007/11/2

N2 - The most ecologically successful and destructive termite species are those with both a nymph caste and an irreversibly wingless worker caste. The early developmental bifurcation separating these castes is widely accepted to be strictly environmentally determined. We present evidence that genotype also influences this process. Offspring from four different crosses of nymph- and worker-derived secondary reproductive individuals had strongly differentiated caste and sex ratios, despite uniform rearing conditions. These data fit an X-linked, one-locus-two-allele model. Of five possible genotypes, one was lethal, two resulted in workers, and two resulted in either nymphs or environmentally determined workers. Caste is thus controlled both by environment and by a complex genetic inheritance pattern.

AB - The most ecologically successful and destructive termite species are those with both a nymph caste and an irreversibly wingless worker caste. The early developmental bifurcation separating these castes is widely accepted to be strictly environmentally determined. We present evidence that genotype also influences this process. Offspring from four different crosses of nymph- and worker-derived secondary reproductive individuals had strongly differentiated caste and sex ratios, despite uniform rearing conditions. These data fit an X-linked, one-locus-two-allele model. Of five possible genotypes, one was lethal, two resulted in workers, and two resulted in either nymphs or environmentally determined workers. Caste is thus controlled both by environment and by a complex genetic inheritance pattern.

UR - http://www.scopus.com/inward/record.url?scp=36048953766&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=36048953766&partnerID=8YFLogxK

U2 - 10.1126/science.1146711

DO - 10.1126/science.1146711

M3 - Article

C2 - 17991866

AN - SCOPUS:36048953766

VL - 318

SP - 985

EP - 987

JO - Science

JF - Science

SN - 0036-8075

IS - 5852

ER -