The paper, 'Systems underlying human and
Old World monkey communications: One, two, or infinite,' is published today in the journal Frontiers in Psychology.
Sykes' monkey (Cercopithecus albogularis), also known as the white-throated monkey or Samango monkey, is an
Old World monkey found between Ethiopia and South Africa, including south and east Democratic Republic of Congo.
The mandrill is a primate of the
Old World monkey family and is one of two species assigned to the genus Mandrillus.
Genomic DNA was isolated using a standard protocol from heparinized blood samples from the following species: (1) Hominoid: chimpanzee (Pan troglodytes) and gorilla (Gorilla gorilla); (2)
Old world monkey: rhesus monkey (Macaca mulatta), cynomolgus monkey (Macaca fascicularis), African green monkey (Cercopithecus aethiops), colobus (Procolobus badius), and langur (Trachypithecus cristatus); (3) New world monkey: marmoset (Callithrix jacchus), squirrel monkey (Saimiri sciureus), and night monkey (Aotus trivirgatus); (4) Strepsirrhini: ring-tailed lemur (Lemur catta).
"These fossils indicate that, instead,
Old World monkey dispersal could have taken place through the Arab region even before the Messinian Crisis," said Dr.
Dr Gilbert, one of the scientists in the study, told WAM: "These fossils indicate that, instead,
Old World monkey dispersal could have taken place through the Arabian Peninsula even before the Messenia Crisis."
A suitable series might include a hedgehog (an insectivore with a small, relatively simple brain), a tree shrew (a squirrel-like mammal once thought to be a primitive primate), and a sequence of primate levels (prosimian, New World monkey,
Old World monkey, ape, and human).
These two sequences, which branch off alone in the RV2 genogroup, independently of all other
Old World monkey viral strains, may represent the prototype strains of a great apes lineage similar to that found in the RV1 genogroup.
Members of his lab have dealt their fatal blow by sequencing the Y chromosome of the rhesus macaque-an
Old World monkey whose evolutionary path diverged from that of humans some 25 million years ago-and comparing it with the sequences of the human and chimpanzee Y chromosomes.