homolog


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.

hom·o·logue

, homolog (hom'ō-log),
A member of a homologous pair or series.
[homo- + G. logos, word, ratio, relation]

homolog

or

homologue

(hŏm′ə-lôg′, -lŏg′, hō′mə-)
n.
Something that is homologous, as an organ, body part, or gene.

homolog

[hom′əlog]
Etymology: Gk, homos, same
1 any organ corresponding in function, origin, and structure to another organ, as the flippers of a seal correspond to human hands.
2 (in chemistry) one of a series of compounds, each formed by an added common atom or atom combination. For example, CH4, methane, is followed by C2H6, ethane, with the addition of a CH2 group. Also spelled homologue. Compare analog. homologous, adj.

homologue

, homolog (hom′ŏ-log″) [Gr. homologos, agreeing, of one mind]
1. An organ or part common to several species.
2. One that corresponds to a part or organ in another structure.
3. In chemistry, any member of a series that resembles the other members in action and general structure but has a constant compositional difference such as a methyl, CH3, group.
Mentioned in ?
References in periodicals archive ?
A phylogenetic tree consisting of BmARM-like protein and 13 other homologs was constructed.
BmARM-Like Protein from Silkworm, Bombyx mori (Lepidoptera) is Putatively Involved in Response against BmNPV Infection
Because there is an evolutionary relationship between two remote homologs, the profiles have shown to be useful when detecting remote homologs.
Remote-3DD: un nuevo metodo para la deteccion de homologos remotos que usa propiedades fisicoquimicas
Cloning of the Arabidopsis clock gene TOC1, an autoregulatory response regulator homolog.
MOLECULAR CLONING AND ANALYSIS OF A CONSTANS HOMOLOG FROM NICOTIANA TABACUM
1] numbering) is missing in the prokaryotic RNases, RNases St, Ba and Bi, which are distantly related homologs of RNase [T.
Structure and function studies on enzymes with a catalytic carboxyl group(s): from ribonuclease [T.sub.1] to carboxyl peptidases
elegantissima was the first to describe what would later be identified as a 32-kDa fasciclin I homolog, named Sym32, as highly differentially expressed in the symbiotic state (Table 1) (Weis and Levine, 1996).
Study of cnidarian-algal symbiosis in the "omics" age
Relative expression levels of the three soybean FAD3 homologs ranged from 0.
Three microsomal omega-3 fatty-acid desaturase genes contribute to soybean linolenic acid levels
Bone morphogenetic protein receptor 1A is related to another gene, phosphatase and tensin homolog, which has been linked to Cowden syndrome, a polyposis condition similar to juvenile polyposis.
Juvenile Polyposis Gene No. 2
UNA the homolog of LEY/FLO, is another floral menistem identity gene, but it also plays a role in leaf development (Hofer et al.
Inflorescence Architecture: A Developmental Genetics Approach [*]
Upon impaling a putative tail-sensory homolog, we tested whether stimulating the dissected tail with a glass probe elicited action potentials in the soma of the putative homolog.
Phylogenetic analysis of learning-related neuromodulation in molluscan mechanosensory neurons
One such homolog, Bak (for Bcl-2-homologous antagonist/killer) appears to be involved in the death of long-lived terminally differentiated cells of major organs.
Bak, the Bcl-2-homologous antagonist/killer, a critical modulator of apoptosis in human disease
When my associate read the descriptive circular that came with the medication, he was startled to learn that the active ingredient was a fairly close homolog of caffeine--particularly since his physician was a strong anticaffeine advocate and regularly advised him to limit or even discontinue his intake of this stimulant, even though he had no medical reason for interdicting it.
Coffee and cold feet

Medical browser ?
Full browser ?