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Complete genome sequence of Polynucleobacter necessarius subsp. asymbioticus type strain (QLW-P1DMWA-1(T)).

Meincke L, Copeland A, Lapidus A, Lucas S, Berry KW, Del Rio TG, Hammon N, Dalin E, Tice H, Pitluck S, Richardson P, Bruce D, Goodwin L, Han C, Tapia R, Detter JC, Schmutz J, Brettin T, Larimer F, Land M, Hauser L, Kyrpides NC, Ivanova N, Göker M, Woyke T, Wu QL, Pöckl M, Hahn MW, Klenk HP - Stand Genomic Sci (2012)

Bottom Line: The two subspecies of P. necessarius are the instances of two closely related subspecies that differ in their lifestyle (free-living vs. obligate endosymbiont), and they are the only members of the genus Polynucleobacter with completely sequenced genomes.Here we describe the features of P. necessarius subsp. asymbioticus, together with the complete genome sequence and annotation.The 2,159,490 bp long chromosome with a total of 2,088 protein-coding and 48 RNA genes is the first completed genome sequence of the genus Polynucleobacter to be published and was sequenced as part of the DOE Joint Genome Institute Community Sequencing Program 2006.

View Article: PubMed Central - PubMed

ABSTRACT
Polynucleobacter necessarius subsp. asymbioticus strain QLW-P1DMWA-1(T) is a planktonic freshwater bacterium affiliated with the family Burkholderiaceae (class Betaproteobacteria). This strain is of interest because it represents a subspecies with cosmopolitan and ubiquitous distribution in standing freshwater systems. The 16S-23S ITS genotype represented by the sequenced strain comprised on average more than 10% of bacterioplankton in its home habitat. While all strains of the subspecies P. necessarius asymbioticus are free-living freshwater bacteria, strains belonging to the only other subspecies, P. necessarius subsp. necessarius are obligate endosymbionts of the ciliate Euplotes aediculatus. The two subspecies of P. necessarius are the instances of two closely related subspecies that differ in their lifestyle (free-living vs. obligate endosymbiont), and they are the only members of the genus Polynucleobacter with completely sequenced genomes. Here we describe the features of P. necessarius subsp. asymbioticus, together with the complete genome sequence and annotation. The 2,159,490 bp long chromosome with a total of 2,088 protein-coding and 48 RNA genes is the first completed genome sequence of the genus Polynucleobacter to be published and was sequenced as part of the DOE Joint Genome Institute Community Sequencing Program 2006.

No MeSH data available.


Related in: MedlinePlus

Phylogenetic tree highlighting the position of P. necessarius subsp. asymbioticus relative to the type strains of the genus and the type species of the other closely related genera within the family Burkholderiaceae. The tree was inferred from 1,483 aligned characters [16,17] of the 16S rRNA gene sequence under the maximum likelihood (ML) criterion [18]. Rooting was done initially using the midpoint method [19] and then checked for its agreement with the current classification (Table 1). The branches are scaled in terms of the expected number of substitutions per site. Numbers adjacent to the branches are support values from 150 ML bootstrap replicates [20] (left) and from 1,000 maximum-parsimony bootstrap replicates [21] (right) if larger than 60%. Lineages with type strain genome sequencing projects registered in GOLD [22] are labeled with one asterisk, those also listed as 'Complete and Published' (as well as the target genome) with two asterisks (see Burkholderia cepacia, CP000151).
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f1: Phylogenetic tree highlighting the position of P. necessarius subsp. asymbioticus relative to the type strains of the genus and the type species of the other closely related genera within the family Burkholderiaceae. The tree was inferred from 1,483 aligned characters [16,17] of the 16S rRNA gene sequence under the maximum likelihood (ML) criterion [18]. Rooting was done initially using the midpoint method [19] and then checked for its agreement with the current classification (Table 1). The branches are scaled in terms of the expected number of substitutions per site. Numbers adjacent to the branches are support values from 150 ML bootstrap replicates [20] (left) and from 1,000 maximum-parsimony bootstrap replicates [21] (right) if larger than 60%. Lineages with type strain genome sequencing projects registered in GOLD [22] are labeled with one asterisk, those also listed as 'Complete and Published' (as well as the target genome) with two asterisks (see Burkholderia cepacia, CP000151).

Mentions: Figure 1 shows the phylogenetic neighborhood of P. necessarius subsp. asymbioticus in a 16S rRNA based tree. The sequence of the single 16S rRNA gene copy in the genome does not differ from the previously published 16S rRNA sequence (AJ879783).


Complete genome sequence of Polynucleobacter necessarius subsp. asymbioticus type strain (QLW-P1DMWA-1(T)).

Meincke L, Copeland A, Lapidus A, Lucas S, Berry KW, Del Rio TG, Hammon N, Dalin E, Tice H, Pitluck S, Richardson P, Bruce D, Goodwin L, Han C, Tapia R, Detter JC, Schmutz J, Brettin T, Larimer F, Land M, Hauser L, Kyrpides NC, Ivanova N, Göker M, Woyke T, Wu QL, Pöckl M, Hahn MW, Klenk HP - Stand Genomic Sci (2012)

Phylogenetic tree highlighting the position of P. necessarius subsp. asymbioticus relative to the type strains of the genus and the type species of the other closely related genera within the family Burkholderiaceae. The tree was inferred from 1,483 aligned characters [16,17] of the 16S rRNA gene sequence under the maximum likelihood (ML) criterion [18]. Rooting was done initially using the midpoint method [19] and then checked for its agreement with the current classification (Table 1). The branches are scaled in terms of the expected number of substitutions per site. Numbers adjacent to the branches are support values from 150 ML bootstrap replicates [20] (left) and from 1,000 maximum-parsimony bootstrap replicates [21] (right) if larger than 60%. Lineages with type strain genome sequencing projects registered in GOLD [22] are labeled with one asterisk, those also listed as 'Complete and Published' (as well as the target genome) with two asterisks (see Burkholderia cepacia, CP000151).
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC3368402&req=5

f1: Phylogenetic tree highlighting the position of P. necessarius subsp. asymbioticus relative to the type strains of the genus and the type species of the other closely related genera within the family Burkholderiaceae. The tree was inferred from 1,483 aligned characters [16,17] of the 16S rRNA gene sequence under the maximum likelihood (ML) criterion [18]. Rooting was done initially using the midpoint method [19] and then checked for its agreement with the current classification (Table 1). The branches are scaled in terms of the expected number of substitutions per site. Numbers adjacent to the branches are support values from 150 ML bootstrap replicates [20] (left) and from 1,000 maximum-parsimony bootstrap replicates [21] (right) if larger than 60%. Lineages with type strain genome sequencing projects registered in GOLD [22] are labeled with one asterisk, those also listed as 'Complete and Published' (as well as the target genome) with two asterisks (see Burkholderia cepacia, CP000151).
Mentions: Figure 1 shows the phylogenetic neighborhood of P. necessarius subsp. asymbioticus in a 16S rRNA based tree. The sequence of the single 16S rRNA gene copy in the genome does not differ from the previously published 16S rRNA sequence (AJ879783).

Bottom Line: The two subspecies of P. necessarius are the instances of two closely related subspecies that differ in their lifestyle (free-living vs. obligate endosymbiont), and they are the only members of the genus Polynucleobacter with completely sequenced genomes.Here we describe the features of P. necessarius subsp. asymbioticus, together with the complete genome sequence and annotation.The 2,159,490 bp long chromosome with a total of 2,088 protein-coding and 48 RNA genes is the first completed genome sequence of the genus Polynucleobacter to be published and was sequenced as part of the DOE Joint Genome Institute Community Sequencing Program 2006.

View Article: PubMed Central - PubMed

ABSTRACT
Polynucleobacter necessarius subsp. asymbioticus strain QLW-P1DMWA-1(T) is a planktonic freshwater bacterium affiliated with the family Burkholderiaceae (class Betaproteobacteria). This strain is of interest because it represents a subspecies with cosmopolitan and ubiquitous distribution in standing freshwater systems. The 16S-23S ITS genotype represented by the sequenced strain comprised on average more than 10% of bacterioplankton in its home habitat. While all strains of the subspecies P. necessarius asymbioticus are free-living freshwater bacteria, strains belonging to the only other subspecies, P. necessarius subsp. necessarius are obligate endosymbionts of the ciliate Euplotes aediculatus. The two subspecies of P. necessarius are the instances of two closely related subspecies that differ in their lifestyle (free-living vs. obligate endosymbiont), and they are the only members of the genus Polynucleobacter with completely sequenced genomes. Here we describe the features of P. necessarius subsp. asymbioticus, together with the complete genome sequence and annotation. The 2,159,490 bp long chromosome with a total of 2,088 protein-coding and 48 RNA genes is the first completed genome sequence of the genus Polynucleobacter to be published and was sequenced as part of the DOE Joint Genome Institute Community Sequencing Program 2006.

No MeSH data available.


Related in: MedlinePlus