نتایج جستجو برای: monomorphism

تعداد نتایج: 253  

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2014
Bruno A Buzatto Wade N Hazel Joseph L Tomkins

Neff & Svensson [1] recently reviewed the literature relating to the theoretical modelling of alternative mating tactics. Their review presents insightful future perspectives on how genomics could unveil the molecular genetics and proximate mechanisms of tactic expression, and we fully agree with their statements that a better understanding of the field can be achieved through the integration b...

Journal: :Journal of Microbiology, Epidemiology and Immunobiology 2023

Introduction. Bacillus anthracis is the causative agent of anthrax, a pathogen characterized by high genetic monomorphism that complicates differentiation strains. Thus, molecular methods for typing require improvement.
 The aim study. To select marker SNPs new groups B. and to develop method their laboratory identification using HRM PCR.
 Materials methods. core genome 222 strains fr...

Journal: :Journal of mathematical biology 2016
Stefan A H Geritz Johan A J Metz Claus Rueffler

Over the last two decades evolutionary branching has emerged as a possible mathematical paradigm for explaining the origination of phenotypic diversity. Although branching is well understood for one-dimensional trait spaces, a similarly detailed understanding for higher dimensional trait spaces is sadly lacking. This note aims at getting a research program of the ground leading to such an under...

1998
GUNNAR CARLSSON WOLRAD VOGELL

Here the L-polynomial is a certain rational polynomial in the Pontrjagin classes. This theorem is surprising from many points of view: the left hand side is obviously a homotopy invariant and an integer, whereas the right hand side a priory is only a smooth invariant and a rational number. This led Novikov to the following conjecture: If M has fundamental group π and x is an element in H∗(Bπ), ...

In this article, we present $GPW$-flatness property of acts over monoids, which is a generalization of principal weak flatness. We say that a right $S$-act $A_{S}$ is $GPW$-flat if for every $s in S$, there exists a natural number $n = n_ {(s, A_{S})} in mathbb{N}$ such that the functor $A_{S} otimes {}_{S}- $ preserves the embedding of the principal left ideal ${}_{S}(Ss^n)$ into ${}_{S}S$. We...

Journal: :Journal of Immunology 2023

Abstract Identifying tumor-specific antigens across different types of malignancies and HLA haplotypes remains challenging. Recently, the expression Human Endogenous Retroelements emerged as a potential new class cytotoxic T-cell response mediators (1). HLA-F, non-classic HLA-I molecule, has been hypothesized to present peptides T-cells regulate immunity through interactions with distinct NK-ce...

Journal: :Tropical medicine & international health : TM & IH 2002
V Jamonneau A Garcia S Ravel G Cuny B Oury P Solano P N'Guessan L N'Dri R Sanon J L Frézil P Truc

Human African trypanosomiasis is a parasitic infection caused by protozoa belonging to Trypanosoma brucei subspecies. The clinical evolution of this disease is complex and might be because of the parasite itself, as genetic diversity has been observed in T. brucei ssp. We investigated the relationship between the genetic diversity of trypanosomes and the diversity of clinical patterns in Côte d...

Journal: :Genetics 1980
R A Norman S Prakash

Allozymes of the Ap-3 locus in Drosophila pseudoobscura show very strong associations with chromosome 3 inversions. The 0.98 electrophoretic allele is associated with The TL, SC, CH and PP gene arrangements, while the 1.00 electrophoretic allele is characteristic of the AR and ST gene arrangements. Variation in relative 0.98 and 1.00 AP-3 allozyme activities of chromosome 3 isogenic strains was...

2007
Yves Deville Grégoire Dooms Stéphane Zampelli

Graph pattern matching is a central application in many fields. In various areas, the structure of the pattern can only be approximated and exact matching is then too accurate. We focus here on approximations declared by the user within the pattern (optional nodes and forbidden arcs), covering graph/subgraph mono/isomorphism problems. In this paper, we show how the integration of two domains of...

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