Analysis of the Phylogenic Relationship of Citrus Species by Colorimetric Test for Barks

The Covid-19 pandemic, due to severe acute respiratory coronavirus (SARS-CoV-2) virus, has an effect on human civilization today. With high fatality infections, SARS Covid-19 has influenced the global economic, socio-cultural, and even political order. This study aims to construct the phylogeny of the SARS corona virus that causes Covid-19 in various countries in the world by using the SARS Covid-19 gene database from the NCBI GenBank. The results of this study can trace the origin of SARS Covid-19, which is then called SARS-CoV-2, the gene characteristics, and the evolutionary relationship of these genes to various countries in the world. This research uses in silico method with gene sequence sources from the NCBI GenBank (www.ncbi.nih.gov). A total of 433 SARS Covid-19 sequences reported by 21 countries as of April 2rd, 2020 were the subject of the study. Sequences representing each country were analyzed using the MEGA 7.0 program. The results showed that the phylogeny trees formed were obtained by 2 main monophyletic groups. The first major monophyletic group consisted of 11 nodes, with 19 SARS-CoV-2 gene sequences from 23 countries. The second major monophyletic group consisted of 5 nodes with 5 countries of origin of SARS-CoV sequence 19. The spread of Covid-19 from the epicenter in Wuhan, China to the world has taken place randomly. This has happened because of the migration of people from the Chinese epicenter. The location of the countries adjacent to China did not determine the closest phylogenic relationship. The number of phylogenetic nodes formed showed mutases which caused very high variations of the SARS CoV 2 RNA gene sequence. The results of this study reinforce that efforts to limit the spread of human viruses to humans must be done. The presence of sequences from China in the 2 main monophyletic groups confirms that this virus originated in the Chinese epicenter.

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Phylogenic Relationship of Labridae Species Deduced from Comparative Dissection

The Anatomical Record ◽

10.1002/ar.22687 ◽

2013 ◽

Vol 296 (5) ◽

pp. 788-797 ◽

Cited By ~ 3

Author(s):

Yoshikazu Mikami

Keyword(s):

Phylogenic Relationship ◽

Relationship Of

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Internal transcribed spacer sequence based identification and phylogenic relationship of Herba Dendrobii

Journal of Food and Drug Analysis ◽

10.38212/2224-6614.2051 ◽

2020 ◽

Vol 20 (1) ◽

Author(s):

C.-T. Wu ◽

S.K. Gupta ◽

A.Z.-M. Wang ◽

S.-F. Lo ◽

C.-L. Kuo ◽

...

Keyword(s):

Internal Transcribed Spacer ◽

Phylogenic Relationship ◽

Relationship Of

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ORTHOSCOPE Analysis Reveals the Presence of the Cellulose Synthase Gene in All Tunicate Genomes but Not in Other Animal Genomes

Genes ◽

10.3390/genes10040294 ◽

2019 ◽

Vol 10 (4) ◽

pp. 294 ◽

Cited By ~ 4

Author(s):

Inoue ◽

Nakashima ◽

Satoh

Keyword(s):

Biological Function ◽

Cellulose Synthase ◽

Evolutionary Origin ◽

Entire Body ◽

Orthologous Genes ◽

Cellulose Synthase Gene ◽

Phylogenic Relationship ◽

Relationship Of ◽

Animal Genomes ◽

Animal Taxon

Tunicates or urochordates—comprising ascidians, larvaceans, and salps—are the only metazoans that can synthesize cellulose, a biological function usually associated with bacteria and plants but not animals. Tunicate cellulose or tunicine is a major component of the outer acellular coverage (tunic) of the entire body of these organisms. Previous studies have suggested that the prokaryotic cellulose synthase gene (CesA) was horizontally transferred into the genome of a tunicate ancestor. However, no convenient tools have been devised to determine whether only tunicates harbor CesA. ORTHOSCOPE is a recently developed tool used to identify orthologous genes and to examine the phylogenic relationship of molecules within major metazoan taxa. The present analysis with this tool revealed the presence of CesA orthologs in all sequenced tunicate genomes but an absence in other metazoan genomes. This supports an evolutionary origin of animal cellulose and provides insights into the evolution of this animal taxon.

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Genetic Relationship among Worldwide Strains of Xanthomonas Causing Canker in Citrus Species and Design of New Primers for Their Identification by PCR

Applied and Environmental Microbiology ◽

10.1128/aem.68.3.1257-1264.2002 ◽

2002 ◽

Vol 68 (3) ◽

pp. 1257-1264 ◽

Cited By ~ 112

Author(s):

J. Cubero ◽

J. H. Graham

Keyword(s):

Repetitive Sequences ◽

Bacterial Canker ◽

Citrus Species ◽

Enterobacterial Repetitive Intergenic Consensus ◽

Ribosomal Operon ◽

Citrus Bacterial Canker ◽

Internally Transcribed Spacer ◽

High Level ◽

Relationship Of ◽

The Relationship

ABSTRACT Partial sequence analysis of the ribosomal operon in Xanthomonas axonopodis allowed discrimination among strains causing the A, B, and C types of citrus bacterial canker (CBC) and quantification of the relationship of these organisms with other species and pathovars in the same genus. Sets of primers based on sequence differences in the internally transcribed spacer and on a sequence from the plasmid gene pthA involved in virulence were designed for specific identification of xanthomonads causing CBC diseases. The two sets were validated with a collection of Xanthomonas strains associated with citrus species. The primer set based on ribosomal sequences had a high level of specificity for X. axonopodis pv. citri, whereas the set based on the pthA gene was universal for all types of CBC organisms. Moreover, the relationships among worldwide Xanthomonas strains causing CBC were analyzed by amplification of repetitive sequences (enterobacterial repetitive intergenic consensus and BOX elements). Under specific conditions, pathotypes of these Xanthomonas strains could be discerned, and subgroups of the pathotypes were identified. Subgroups of strains were associated with certain geographic areas of the world, and on this basis the origin of type A strains introduced into Florida could be inferred.

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Isozyme analysis and phylogenic relationship of citrus.

Ikushugaku zasshi ◽

10.1270/jsbbs1951.36.377 ◽

1986 ◽

Vol 36 (4) ◽

pp. 377-389 ◽

Cited By ~ 37

Author(s):

Masashi HIRAI ◽

Itaru KOZAKI ◽

Ichiro KAJIURA

Keyword(s):

Isozyme Analysis ◽

Phylogenic Relationship ◽

Relationship Of

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