Genetic differences in periovum sensitivity to hyaluronidase and protease between C57BL/6, BALB and CXB recombinant mice

Bander, S. A. A.; Watson, Shera; Shire, J. G. M.

doi:10.1530/jrf.0.0840709

Cited by 10 publications

(7 citation statements)

References 14 publications

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“…The experiments performed on B10.BR and BALB/c strains and their reciprocal Fl and F2 hybrids described here confirmed the results obtained by Bander et al (1988Bander et al ( , 1989. Those authors interpreted the paternal inheritance of cumulus cell dispersal as a result of imprinting of the paternal genome, Xchromosome linked and cytoplasmic effects being excluded.…”

Section: Discussionsupporting

confidence: 89%

Partial deletion of the Y chromosome removes the effect of paternal genome imprinting on periovum sensitivity to hyaluronidase in mice

Styrna

1995

Genet. Res.

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Cumulus-oocyte complexes from the two consomic strains of mice, B10.BR and BIO.BR-Ydel (with a partial deletion of the Y chromosome) and the BALB/c strain, as well as reciprocal Fl and F2 hybrids, were tested for their susceptibility to attack by hyaluronidase. The cumulus cell dispersal was significantly more rapid in the eggs of B10.BR females and of Fl and F2 hybrid females sired by the B10.BR males than in those of BALB/c females and hybrids sired by BALB/c males. These results confirm the earlier data of Bander et al. (1989) which were interpreted as evidence of paternal imprinting of the C57BL genome. In contrast, cumulus cell dispersal in the eggs of females sired by BIO.BR-Ydel males was significantly slower than in females sired by B10.BR males, and did not differ from that in the BALB/c strain. The results suggest that the partial deletion of the Y chromosome abolished the effect of paternal genome imprinting which is observed in the B10.BR strain.

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Section: Discussionsupporting

confidence: 89%

Partial deletion of the Y chromosome removes the effect of paternal genome imprinting on periovum sensitivity to hyaluronidase in mice

Styrna

1995

Genet. Res.

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“…The mean hyaluronidase times for the F 2 crosses closely resembled those of their paternal and grand paternal stocks. The recombinant inbred strains included one with a short hyaluronidase time, CXBD, and two with long hyaluronidase times, CXBE and CXBJ (Bander et al 1988). Eggs were obtained from female mice that had been cross fostered between the parental strains or between reciprocal F 1 matings.…”

Section: Resultsmentioning

confidence: 99%

“…The eggs of C57BL mice, of several sublines, are known to be relatively susceptible to enzymic attack in vitro (Braden, 1958;Krzanowska, 1972;Nicol & McLaren, 1974;Bander et al 1988). For traits differing between strains this would result in differences between the Fj mice produced by reciprocal crosses between the strains.…”

Section: Introductionmentioning

confidence: 99%

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Paternal inheritance of egg traits in mice: a case of genomic imprinting

1989

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Eggs from reciprocal hybrids between the C57BL/6By and BALB/cBy strains were tested for their susceptibility to attack by hyaluronidase and pronase. There were significant reciprocal differences between the F 1 females in the responses of their unfertilized eggs to both enzymes. The F x hybrids from BALB mothers showed the increased susceptibility characteristic of C57BL whilst the F x hybrids with C57BL mothers were more resistant to both enzymes, like BALB mice. Eggs from the four kinds of reciprocal F 2 hybrid females also showed patroclinous patterns of susceptibility. A patroclinous difference was found between reciprocal crosses of the CXBD and CXBE recombinant inbred strains but not in crosses between recombinant inbred strains with similar phenotypes. Cross fostering did not alter the phenotypes of the C57BL and BALB females or those of their reciprocal F 1 hybrids. The findings are interpreted in terms of differential genomic imprinting of paternally inherited information. The possible general usefulness of patroclinous differences between reciprocal F x females in revealing differences in imprinting is noted.

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“…The C57BL/6 and BALB/c strains were chosen for comparison because of reproductive and behavioural differences (McGill & Manning, 1976;Shire & Whitten, 1980;Shire, 1984;Bander et al, 1988) and differences in the post-natal development of gonads and other endocrine organs (Shukri & Shire, 1986;Janat & Shire, 1987;Shukri et al, 1988). Gonadal (Bailey, 1971(Bailey, , 1981.…”

Section: Introductionmentioning

confidence: 99%