Research output: Contribution to journal › Article › peer-review
"Candidatus Gortzia shahrazadis", a novel endosymbiont of Paramecium multimicronucleatum and a revision of the biogeographical distribution of Holospora-like bacteria. / Serra, Valentina; Fokin, Sergei I.; Castelli, Michele; Basuri, Charan K.; Nitla, Venkatamahesh; Verni, Franco; Sandeep, Bhagavatula V.; Kalavati, Chaganti; Petroni, Giulio.
In: Frontiers in Microbiology, Vol. 7, No. NOV, 1704, 04.11.2016.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - "Candidatus Gortzia shahrazadis", a novel endosymbiont of Paramecium multimicronucleatum and a revision of the biogeographical distribution of Holospora-like bacteria
AU - Serra, Valentina
AU - Fokin, Sergei I.
AU - Castelli, Michele
AU - Basuri, Charan K.
AU - Nitla, Venkatamahesh
AU - Verni, Franco
AU - Sandeep, Bhagavatula V.
AU - Kalavati, Chaganti
AU - Petroni, Giulio
PY - 2016/11/4
Y1 - 2016/11/4
N2 - Holospora spp. and "Candidatus Gortzia infectiva", known as Holospora-like bacteria (HLB), are commonly found as nuclear endosymbionts of ciliates, especially the Paramecium genus. HLB are related by phylogenetic relationships, morphological features, and life-cycles, which involve two alternating morphotypes: reproductive and infectious forms (RF, IF). In this paper we describe a novel species belonging to the "Ca. Gortzia" genus, detected in P. multimicronucleatum, a ciliate for which infection by an HLB has not been reported, discovered in India. This novel endosymbiont shows unusual and surprising features with respect to other HLB, such as large variations in IF morphology and the occasional ability to reproduce in the host cytoplasm. We propose the name of "Candidatus Gortzia shahrazadis" for this novel HLB. Moreover, we report two additional species of HLB from Indian Paramecium populations: "Ca. Gortzia infectiva" (from P. jenningsi), and H. obtusa (from P. caudatum); the latter is the first record of Holospora from a tropical country. Although tropical, we retrieved H. obtusa at an elevation of 706 m corresponding to a moderate climate not unlike conditions where Holospora are normally found, suggesting the genus Holospora does exist in tropical countries, but restricted to higher elevations.
AB - Holospora spp. and "Candidatus Gortzia infectiva", known as Holospora-like bacteria (HLB), are commonly found as nuclear endosymbionts of ciliates, especially the Paramecium genus. HLB are related by phylogenetic relationships, morphological features, and life-cycles, which involve two alternating morphotypes: reproductive and infectious forms (RF, IF). In this paper we describe a novel species belonging to the "Ca. Gortzia" genus, detected in P. multimicronucleatum, a ciliate for which infection by an HLB has not been reported, discovered in India. This novel endosymbiont shows unusual and surprising features with respect to other HLB, such as large variations in IF morphology and the occasional ability to reproduce in the host cytoplasm. We propose the name of "Candidatus Gortzia shahrazadis" for this novel HLB. Moreover, we report two additional species of HLB from Indian Paramecium populations: "Ca. Gortzia infectiva" (from P. jenningsi), and H. obtusa (from P. caudatum); the latter is the first record of Holospora from a tropical country. Although tropical, we retrieved H. obtusa at an elevation of 706 m corresponding to a moderate climate not unlike conditions where Holospora are normally found, suggesting the genus Holospora does exist in tropical countries, but restricted to higher elevations.
KW - Bacteria
KW - Distribution
KW - Endosymbiosis
KW - Gortzia
KW - Holospora
KW - India
KW - Paramecium
UR - http://www.scopus.com/inward/record.url?scp=85006760055&partnerID=8YFLogxK
U2 - 10.3389/fmicb.2016.01704
DO - 10.3389/fmicb.2016.01704
M3 - Article
AN - SCOPUS:85006760055
VL - 7
JO - Frontiers in Microbiology
JF - Frontiers in Microbiology
SN - 1664-302X
IS - NOV
M1 - 1704
ER -
ID: 36535223