Ecological constraints drive social evolution in the African mole–rats

@article{Faulkes1997EcologicalCD,
  title={Ecological constraints drive social evolution in the African mole–rats},
  author={C G Faulkes and Nigel Charles Bennett and Michael William Bruford and H. P. O'brien and G. H. Aguilar and Jennifer U. M. Jarvis},
  journal={Proceedings of the Royal Society of London. Series B: Biological Sciences},
  year={1997},
  volume={264},
  pages={1619 - 1627}
}
  • C. Faulkes, N. Bennett, +3 authors J. Jarvis
  • Published 1997
  • Biology, Medicine
  • Proceedings of the Royal Society of London. Series B: Biological Sciences
The African mole–rats (family Bathyergidae) are subterranean hystricomorph rodents occurring in a variety of habitats and displaying levels of sociality which range from solitary to eusocial, making them a unique mammalian taxonomic group to test ecological influences on sociality. Here, we use an extensive DNA–based phylogeny and comparative analysis to investigate the relationship between ecology, sociality and evolution within the family. Mitochondrial cytochrome–b and 12s rRNA trees reveal… Expand

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References

SHOWING 1-10 OF 26 REFERENCES
Effects of social organization on gene flow in the fire ant Solenopsis invicta
TLDR
Variation in mito-chondrial DNA and two unique nuclear genes are examined to demonstrate that gene flow between sympatric social forms of the fire ant Solenopsis invicta is restricted to only one of four possible routes, demonstrating the potential for social selection to generate significant barriers to gene flow and to initiate reproductive isolation. Expand
Nucleotide sequence variation in the mitochondrial 12S rRNA gene and the phylogeny of African mole-rats (Rodentia: Bathyergidae).
TLDR
The independent origin of the common mole- rat, relative to the naked mole-rat, suggests that complex social systems evolved in parallel along different bathyergid lineages, and Bathyergid rodents appear to fall at the extreme end of the spectrum of mammalian variation, with respect to both transition/transversion ratios and divergence. Expand
A dispersive morph in the naked mole-rat
TLDR
The discovery of a dispersal phenotype that may occasionally promote outbreeding in naked mole-rats is reported, suggesting that, although rare, a dispersive morph exists within Naked mole-rat colonies. Expand
Allozyme divergence and systematics of common mole-rats (Cryptomys, Bathyergidae, Rodentia) from Zambia.
TLDR
This is the first genetic study of Cryptomys populations originating from outside the South African Subregion and the dichotomy between C. damarensis on the one hand and C. natalensis on the other hand revealed by previous studies was reconfirmed. Expand
Molecular systematics of hystricognath rodents: evidence from the mitochondrial 12S rRNA gene.
TLDR
A divergence time between Old and New World groups dating in the Eocene was revealed, counter to the idea of a multiple origin for the South American families. Expand
The Social Structure and Reproductive Biology of Colonies of the Mole-Rat, Cryptomys damarensis (Rodentia, Bathyergidae)
TLDR
The colony structure and reproduction of C. damarensis are compared with those of the eusocial Heterocephalus glaber and mole-rats from the incomplete colonies were maintained in captivity for more than 2 years. Expand
Micro‐ and macrogeographical genetic structure of colonies of naked mole‐rats Heterocephalus glaber
TLDR
Family analysis of a hybrid captive colony of naked mole‐rats with increased levels of genetic variability using multilocus DNA fingerprinting gave results consistent with Mendelian inheritance, and has revealed for the first time that multiple paternity can occur. Expand
DNA "fingerprinting" reveals high levels of inbreeding in colonies of the eusocial naked mole-rat.
TLDR
It is found that DNA fingerprints of colony-mates were strikingly similar and that between colonies they were much more alike than fingerprints of non-kin in other free-living vertebrates. Expand
Investigation of genetic diversity in wild colonies of naked mole-rats (Heterocephalus glaber) by DNA fingerprinting
TLDR
The lack of polymorphism in the MHC I questions its possible role in individual odour recognition in this species of rodent, and suggests that these animals are highly inbred, and that there may be little or no genetic diversity within and between closely neighbouring colonies in the wild. Expand
The colony structure and reproductive biology of the afrotropical Mashona mole‐rat, Cryptomys darlingi
Cryptomys darlingi occurs in the mesic Miombo woodland of north-eastem Zimbabwe. It occurs in colonies of up to nine individuals, in which reproduction is limited to one of the largest males and theExpand
...
1
2
3
...