scholarly journals An analysis of morphological and molecular genetic characters for species identification of amber snails Succinea putris (Succineidae)

Invertzool ◽  
2020 ◽  
Vol 17 (1) ◽  
pp. 1-17
Author(s):  
E. E. Prokhorova ◽  
R. R. Usmanova ◽  
G. L. Ataev
2017 ◽  
Vol 15 (1) ◽  
pp. 25-31
Author(s):  
L. A. Dankevych

Aim. For the purpose of correct species identification and estimation of population’s heterogeneity, the fingerprinting of the genome of isolated by us Pectobacterium sp., collection «Erwinia toxica» strains and typical representatives of certain species of Pectobacterium and Diskeya genera has been carried out. Methods. In the course of research, microbiological, molecular genetic (REP-PCR), mathematical-statistical methods of research were used. Results. On the basic of BOX, REP and ERIC profiles the significant affinity between isolated Pectobacterium sp. and collections «Erwinia toxica» strains with the typical P. carotovorum susp. carotovorum UCM B1075T has been established. Genetic heterogeneity of isolated Pectobacterium sp. and collections «Erwinia toxica» strains has been estimated. Conclusions. It has been found the significant relationship between isolates Pectobacterium sp. and the collection «Erwinia toxica» strains with the typical strain P. carotovorum susp carotovorum UCM B1075T on the basic of their BOX, REP and ERIC profiles. Most likely, this indicates that they belong to this species. The genetic homogeneity of isolated Pectobacterium sp. strains of and the genetic heterogeneity of the collection «Erwinia toxica» strains is probably due to the plant’s selection from similar or different region.Keywords: identification, genetic heterogeneity, REPPCR, «Erwinia toxica», Pectobacterium sp.


2021 ◽  
Vol 51 (1) ◽  
pp. 219-221
Author(s):  
Friederike Spitzenberger

This paper briefly reviews the taxonomic history of the Plecotus kolombatovici complex, the bat populations which occur in isolated ranges surrounding the Mediterraean Basin, including Maghreb, Tripolitania, Cyrenaica, Anatolia, Balkans, and Italy, plus numerous Mediterranean islands. Since this complex exhibts genetic characters close to Plecotus teneriffae from the Canary Islands, the samples of the complex from Cyrenaica (NE Libya) were described as a subspecies P. teneriffae gaisleri. However, this name was later used for all populations of the complex inhabiting North Africa as P. gaisleri, a full species separated from P. kolombatovici. However, the available results of molecular genetic analyses of the complex support the opinion that these allopatric populations are conspecific and referrable to P. kolombatovici and reopens the question regarding the systematic status of P. teneriffae.


Pathogens ◽  
2021 ◽  
Vol 10 (11) ◽  
pp. 1473
Author(s):  
Nikolaus Helmer ◽  
Hubert Blatterer ◽  
Christoph Hörweg ◽  
Susanne Reier ◽  
Helmut Sattmann ◽  
...  

Several species of avian schistosomes are known to cause dermatitis in humans worldwide. In Europe, this applies above all to species of the genus Trichobilharzia. For Austria, a lot of data are available on cercarial dermatitis and on the occurrence of Trichobilharzia, yet species identification of trematodes in most cases is doubtful due to the challenging morphological determination of cercariae. During a survey of trematodes in freshwater snails, we were able to detect a species in the snail Physella acuta (Draparnaud, 1805) hitherto unknown for Austria, Trichobilharzia physellae; this is also the first time this species has been reported in Europe. Species identification was performed by integrative taxonomy combining morphological investigations with molecular genetic analyses. The results show a very close relationship between the parasite found in Austria and North American specimens (similarity found in CO1 ≥99.57%). Therefore, a recent introduction of T. physellae into Europe can be assumed.


Author(s):  
Anna D. Temraleeva ◽  
Elena S. Krivina ◽  
Yury S. Bukin

The understanding of the impossibility of distinguishing algal species based on morphological features came with the development of DNA sequencing technology, which today is a necessary tool for defining species boundaries and testing traditional species concepts. The paper discusses popular approaches to species identification (DNA barcoding) and the description of new and revision of known species (DNA taxonomy) using molecular genetic methods. The requirements and limitations in their work are given, as well as examples of phylogenetic analysis of green algae from the clade Moewusinia and Parachlorella, including the genus Micractinium.


2018 ◽  
Vol 13 (4) ◽  
pp. 116-123
Author(s):  
I. S. Tsybovsky ◽  
S. A. Kotova ◽  
T. V. Zabavskaya ◽  
E. A. Spivak ◽  
O. N. Lukashkova

The article discusses molecular genetic identification of biological traces of wild animals usedin forensic casework of illegal hunting of representatives of the order Artiodactyla – moose, red deer, roedeer, wild boar, and European bison. The question of species identification as an essential stage for correctindividual identification is discussed taking into account previous scientific and forensic studies. The paperalso describes the modern method of species identification consisting of cross-species locus amplification,as well as primer cross-species transfer application in forensic research. Additionally examples of wild boarvs. domestic pig and European bison vs. cattle samples differentiation as well as results of the study ofgenetic diversity in the European wild boar population are given.


2000 ◽  
Vol 11 (4) ◽  
pp. 249-251
Author(s):  
Xu Yan-chun ◽  
Bai Su-ying ◽  
Jin Yu ◽  
Jing Song-yan

2003 ◽  
Vol 134 (2-3) ◽  
pp. 99-108 ◽  
Author(s):  
C. Bellis ◽  
K.J. Ashton ◽  
L. Freney ◽  
B. Blair ◽  
L.R. Griffiths

2020 ◽  
Vol 3 (9(78)) ◽  
pp. 12-18
Author(s):  
N. Kirichuk ◽  
M. Pivkin ◽  
Yu. Hudyakova

The results of the investigation of Penicillium sensu lato phylogenetic diversity of brown algae Sargassum spp. (the Sea of Japan) are presented in this article. Seventeen fungal strains were studied using traditional methods of phenotypic investigations and modern molecular-genetic approaches. As a result of phylogenetic analysis of ITS and BenA gene sequences, Penicillium species from five sections were revealed (sections Fasciculata, Paradoxa, Ramosa, Canescentia, Aspergilloides). One strain was identified as species of Talaromyces which more related to section Talaromyces. Five species (P. spinulosum, P. subspinulosum, P. roseomaculatum, P. thomii, P. murcianum, P. antarcticum) were identified based on BenA gene analysis. For species identification of some strains additional analysis of genetic and phenotypic features is necessary. 


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