PubMed Health⌕ Search

Biomedical subjects

R J LOW

Publications and source records attributed to R J LOW.

7 recordsLinked to original sources

CHROMOSOME COMPLEMENT: DIFFERENCES BETWEEN EQUUS CABALLUS AND EQUUS PRZEWALSKII, POLIAKOFF.

The chromosome number of the domestic horse is 2n = 64; different races have the same complement. The chromosomes of two Przewalski's horses (at Catskill Game Farm, New York), presumably ancestral wild horses from Mongolia, are identical: 2n = 66, with more acrocentric and fewer metacentric elements than the chromosomes of the domestic horse. This apparent difference in karyotype may help resolve the questions of "purity" in the relatively few remaining Przewalski's horses. Moreover, these findings are of interest in relation to the apparent fertility of hybrids between these species.

Animals↗

Poliovirus inhibitor from the central nervous system of the Rhesus monkey.

Suspensions from the central nervous system of rhesus monkeys inhibited the infection of monkey kidney cell cultures by types 1, 2, and 3 poliovirus, whereas inhibition of Coxsackie A9 and ECHO 12 viruses could not be readily demonstrated. Failure of suspensions of tissues of the central nervous system to irreversibly neutralize poliovirus indicated that the inhibition was not directed against the virus but affected viral multiplication by altering the host cells.

Animals↗