Results 21 to 30 of about 159,600 (311)

Endosperm genotyping as a strategy to differentiate the allele source in maize heterozygous progeny Genotipagem do endosperma como estratégia para diferenciar a origem de alelos em progênies heterozigóticas de milho

open access: yesPesquisa Agropecuária Brasileira, 2009
The objective of this work was to distinguish the parental source of alleles in heterozygous progeny using semiquantitative polymerase chain reaction (PCR) in maize endosperm.
Francielle Alline Martins   +4 more
doaj   +1 more source

Pleiotropic functions of the tumor- and metastasis-suppressing Matrix Metalloproteinase-8 in mammary cancer in MMTV-PyMT transgenic mice [PDF]

open access: yes, 2015
Matrix metalloproteinase-8 (MMP-8; neutrophil collagenase) is an important regulator of innate immunity which has onco-suppressive actions in numerous tumor ...
A Dufour   +62 more
core   +3 more sources

Evolutionary ecology of opsin gene sequence, expression and repertoire. [PDF]

open access: yes, 2017
Linking molecular evolution to biological function is a long-standing challenge in evolutionary biology. Some of the best examples of this involve opsins, the genes that encode the molecular basis of light reception.
Owens, Gregory L, Rennison, Diana J
core   +1 more source

Genetic predisposition to porto‐sinusoidal vascular disorder: A functional genomic‐based, multigenerational family study

open access: yesHepatology, EarlyView., 2022
A deleterious variant of FCHSD1 results in mTOR pathway overactivation and may cause porto‐sinusoidal vascular disorder (PSVD). The pedigree of the family demonstrated an autosomal dominant disease with variable expressivity. Whole‐genome sequencing and Sanger sequencing both validated the existence of the FCHSD1 variant and the heterozygosity of c ...
Jingxuan Shan   +19 more
wiley   +1 more source

Reliability assessment of null allele detection: inconsistencies between and within different methods [PDF]

open access: yes, 2014
Microsatellite loci are widely used in population genetic studies, but the presence of null alleles may lead to biased results. Here we assessed five methods that indirectly detect null alleles, and found large inconsistencies among them.
Avise   +31 more
core   +1 more source

HETEROZYGOTES FOR ATYPICAL CHOLINESTERASE

open access: yesBritish Journal of Anaesthesia, 1982
Three hundred and thirty-two patients undergoing electroconvulsive therapy received thiopentone and suxamethonium. In 31 the duration of the apnoea was greater than an assumed upper limit of normal of 240 s. Eight of these patients proved, on biochemical grounds, to be heterozygotes for the atypical gene. The reason why the heterozygous state is rarely
H, Owen, A R, Hunter
openaire   +2 more sources

Heterozygote Advantage Probably Maintains Rhesus Factor Blood Group Polymorphism: Ecological Regression Study

open access: yesPLoS ONE, 2016
Rhesus factor polymorphism has been an evolutionary enigma since its discovery in 1939. Carriers of the rarer allele should be eliminated by selection against Rhesus positive children born to Rhesus negative mothers.
J. Flegr
semanticscholar   +1 more source

Genetic behavior of induced translocation heterozygote in Artemisia annua L.

open access: yesElectronic Journal of Plant Breeding, 2020
From the population raised from gamma irradiated seeds at different doses (100, 200 and 300 Gy), at 100 Gy phenotypically dissimilar plant (from the control plants) was isolated.
Girjesh Kumar and Rajani Singh
doaj   +1 more source

Preliminary genetic evidence of two different populations of Opisthorchis viverrini in Lao PDR [PDF]

open access: yes, 2017
Opisthorchis viverrini is a major public health concern in Southeast Asia. Various reports have suggested that this parasite may represent a species complex, with genetic structure in the region perhaps being dictated by geographical factors and ...
B Sripa   +48 more
core   +3 more sources

Characterization of degradation and heterozygote balance by simulation of the forensic DNA analysis process

open access: yesZeitschrift für Rechtsmedizin, 2016
Simulation experiments were used to show the impact of varying extraction efficiency, aliquot proportion, and PCR efficiency on the heterozygote balance of a range of diploid and haploid cells. Reducing either parameters introduces variance.
O. Hansson, T. Egeland, P. Gill
semanticscholar   +1 more source

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