scholarly journals Molecular Characterization and Phylogenetic Relationship of Wild Type 1 Poliovirus Strains Circulating across Pakistan and Afghanistan Bordering Areas during 2010–2012

PLoS ONE ◽  
2014 ◽  
Vol 9 (9) ◽  
pp. e107697 ◽  
Author(s):  
Shahzad Shaukat ◽  
Mehar Angez ◽  
Muhammad Masroor Alam ◽  
Salmaan Sharif ◽  
Adnan Khurshid ◽  
...  
Keyword(s):  
Molecular Characterization ◽  
Phylogenetic Relationship ◽  
Wild Type ◽  
Relationship Of

scholarly journals Genome-wide analysis of the AREB/ABF gene lineage in land plants and functional analysis of TaABF3 in Arabidopsis

2020 ◽  
Author(s):  
Fangfang Li ◽  
Fangming Mei ◽  
Yifang Zhang ◽  
Shumin Li ◽  
Zhensheng Kang ◽  
...  
Keyword(s):  
Transcription Factors ◽  
Phylogenetic Relationship ◽  
Developmental Stages ◽  
Land Plants ◽  
Wild Type ◽  
Abiotic Stress Response ◽  
Genome Wide ◽  
Protein Properties ◽  
Relationship Of ◽  
Signaling Components

Abstract Background: Previous studies have shown that ABFs (abscisic acid-responsive transcription factors) are important ABA-signaling components that participate in abiotic stress response. However, little is known about the function of ABFs in Triticum aestivum. In addition, although various ABFs have been identified in other species, the phylogenetic relationship between ABF transcription factors has not been systemically investigated in land plants. Results: In this study, we systemically collected ABFs from land plants and analyzed the phylogenetic relationship of these ABF genes. The ABF genes are present in all the land plants we investigated, including moss, lycophyte, monocots, and eudicots. Furthermore, these ABF genes are phylogenetically divided into seven subgroups, differentiations that are supported by variation in the gene structure, protein properties, and motif patterns. We further demonstrated that the expression of ABF genes varies among different tissues and developmental stages, and are induced by one or more environmental stresses. Furthermore, we found that three wheat ABFs (TaABF1, TaABF2, and TaABF3) were significantly induced by drought stress. Compared with wild-type (WT) plants, transgenic Arabidopsis plants overexpressing TaABF3 displayed enhanced drought tolerance. Conclusions: These results provide important ground work for understanding the phylogenetic relationships between plant ABF genes. Our results also indicate that TaABFs may participate in regulating plant response to abiotic stresses.

Molecular characterization of wild-type measles viruses in Tamil Nadu, India, during 2005-2006: Relationship of genotype D8 strains from Tamil Nadu to global strains

2011 ◽  
Vol 84 (2) ◽  
pp. 348-357 ◽  
Author(s):  
Raja Duraisamy ◽  
Paul A Rota ◽  
Gunasekaran Palani ◽  
Varalakshmi Elango ◽  
Mohana Sambasivam ◽  
...  
Keyword(s):  
Molecular Characterization ◽  
Tamil Nadu ◽  
Wild Type ◽  
Relationship Of

scholarly journals Genome-wide analysis of the AREB/ABF gene lineage in land plants and functional analysis of TaABF3 in Arabidopsis

2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Fangfang Li ◽  
Fangming Mei ◽  
Yifang Zhang ◽  
Shumin Li ◽  
Zhensheng Kang ◽  
...  
Keyword(s):  
Transcription Factors ◽  
Phylogenetic Relationship ◽  
Developmental Stages ◽  
Land Plants ◽  
Wild Type ◽  
Abiotic Stress Response ◽  
Genome Wide ◽  
Protein Properties ◽  
Relationship Of ◽  
Signaling Components

Abstract Background Previous studies have shown that ABFs (abscisic acid-responsive transcription factors) are important ABA-signaling components that participate in abiotic stress response. However, little is known about the function of ABFs in Triticum aestivum. In addition, although various ABFs have been identified in other species, the phylogenetic relationship between ABF transcription factors has not been systemically investigated in land plants. Results In this study, we systemically collected ABFs from land plants and analyzed the phylogenetic relationship of these ABF genes. The ABF genes are present in all the land plants we investigated, including moss, lycophyte, monocots, and eudicots. Furthermore, these ABF genes are phylogenetically divided into seven subgroups, differentiations that are supported by variation in the gene structure, protein properties, and motif patterns. We further demonstrated that the expression of ABF genes varies among different tissues and developmental stages, and are induced by one or more environmental stresses. Furthermore, we found that three wheat ABFs (TaABF1, TaABF2, and TaABF3) were significantly induced by drought stress. Compared with wild-type (WT) plants, transgenic Arabidopsis plants overexpressing TaABF3 displayed enhanced drought tolerance. Conclusions These results provide important ground work for understanding the phylogenetic relationships between plant ABF genes. Our results also indicate that TaABFs may participate in regulating plant response to abiotic stresses.

scholarly journals Genome-wide analysis of the AREB/ABF gene lineage in land plants and functional analysis of TaABF3 in Arabidopsis

2020 ◽  
Author(s):  
Fangfang Li ◽  
Fangming Mei ◽  
Yifang Zhang ◽  
Shumin Li ◽  
Hude Mao
Keyword(s):  
Transcription Factors ◽  
Phylogenetic Relationship ◽  
Developmental Stages ◽  
Land Plants ◽  
Wild Type ◽  
Abiotic Stress Response ◽  
Genome Wide ◽  
Protein Properties ◽  
Relationship Of ◽  
Signaling Components

Abstract Background: Previous studies have shown that ABFs (abscisic acid-responsive transcription factors) are important ABA-signaling components that participate in abiotic stress response. However, little is known about the function of ABFs in Triticum aestivum. In addition, although various ABFs have been identified in other species, the phylogenetic relationship between ABF transcription factors has not been systemically investigated in land plants. Results: In this study, we systemically collected ABFs from land plants and analyzed the phylogenetic relationship of these ABF genes. The ABF genes are present in all the land plants we investigated, including moss, lycophyte, monocots, and eudicots. Furthermore, these ABF genes are phylogenetically divided into seven subgroups, differentiations that are supported by variation in the gene structure, protein properties, and motif patterns. We further demonstrated that the expression of ABF genes varies among different tissues and developmental stages, and are induced by one or more environmental stresses. Furthermore, we found that three wheat ABFs (TaABF1, TaABF2, and TaABF3) were significantly induced by drought stress. Compared with wild-type (WT) plants, transgenic Arabidopsis plants overexpressing TaABF3 displayed enhanced drought tolerance. Conclusions: These results provide important ground work for understanding the phylogenetic relationships between plant ABF genes. Our results also indicate that TaABFs may participate in regulating plant response to abiotic stresses.

scholarly journals Diversity of mosaic structures and common ancestry of human immunodeficiency virus type 1 BF intersubtype recombinant viruses from Argentina revealed by analysis of near full-length genome sequences

2002 ◽  
Vol 83 (1) ◽  
pp. 107-119 ◽  
Author(s):  
Michael M. Thomson ◽  
Elena Delgado ◽  
Isabel Herrero ◽  
María Luisa Villahermosa ◽  
Elena Vázquez-de Parga ◽  
...  
Keyword(s):  
Phylogenetic Relationship ◽  
Full Length ◽  
Common Ancestry ◽  
Genome Sequences ◽  
Recombinant Viruses ◽  
Immunodeficiency Virus ◽  
Relationship Of ◽  
Full Length Genome ◽  
Hiv 1

The findings that BF intersubtype recombinant human immunodeficiency type 1 viruses (HIV-1) with coincident breakpoints in pol are circulating widely in Argentina and that non-recombinant F subtype viruses have failed to be detected in this country were reported recently. To analyse the mosaic structures of these viruses and to determine their phylogenetic relationship, near full-length proviral genomes of eight of these recombinant viruses were amplified by PCR and sequenced. Intersubtype breakpoints were analysed by bootscanning and examining the signature nucleotides. Phylogenetic relationships were determined with neighbour-joining trees. Five viruses, each with predominantly subtype F genomes, exhibited mosaic structures that were highly similar. Two intersubtype breakpoints were shared by all viruses and seven by the majority. Of the consensus breakpoints, all nine were present in two viruses, which exhibited identical recombinant structures, and four to eight breakpoints were present in the remaining viruses. Phylogenetic analysis of partial sequences supported both a common ancestry, at least in part of their genomes, for all recombinant viruses and the phylogenetic relationship of F subtype segments with F subtype viruses from Brazil. A common ancestry of the recombinants was supported also by the presence of shared signature amino acids and nucleotides, either unreported or highly unusual in F and B subtype viruses. These results indicate that HIV-1 BF recombinant viruses with diverse mosaic structures, including a circulating recombinant form (which are widespread in Argentina) derive from a common recombinant ancestor and that F subtype segments of these recombinants are related phylogenetically to the F subtype viruses from Brazil.

scholarly journals Genome-wide analysis of the AREB/ABF gene lineage in land plants and functional analysis of TaABF3 in Arabidopsis

2020 ◽  
Author(s):  
Fangfang Li ◽  
Fangming Mei ◽  
Yifang Zhang ◽  
Shumin Li ◽  
Zhensheng Kang ◽  
...  
Keyword(s):  
Transcription Factors ◽  
Phylogenetic Relationship ◽  
Developmental Stages ◽  
Land Plants ◽  
Wild Type ◽  
Abiotic Stress Response ◽  
Genome Wide ◽  
Protein Properties ◽  
Relationship Of ◽  
Signaling Components

Abstract Background: Previous studies have shown that ABFs (abscisic acid-responsive transcription factors) are important ABA-signaling components that participate in abiotic stress response. However, little is known about the function of ABFs in Triticum aestivum. In addition, although various ABFs have been identified in other species, the phylogenetic relationship between ABF transcription factors has not been systemically investigated in land plants. Results: In this study, we systemically collected ABFs from land plants and analyzed the phylogenetic relationship of these ABF genes. The ABF genes are present in all the land plants we investigated, including moss, lycophyte, monocots, and eudicots. Furthermore, these ABF genes are phylogenetically divided into seven subgroups, differentiations that are supported by variation in the gene structure, protein properties, and motif patterns. We further demonstrated that the expression of ABF genes varies among different tissues and developmental stages, and are induced by one or more environmental stresses. Furthermore, we found that three wheat ABFs (TaABF1, TaABF2, and TaABF3) were significantly induced by drought stress. Compared with wild-type (WT) plants, transgenic Arabidopsis plants overexpressing TaABF3 displayed enhanced drought tolerance. Conclusions: These results provide important ground work for understanding the phylogenetic relationships between plant ABF genes. Our results also indicate that TaABFs may participate in regulating plant response to abiotic stresses.

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