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The Genome of “Candidatus Liberibacter asiaticus” Is Highly Transcribed When Infecting the Gut of Diaphorina citri

Citation
Darolt et al. (2021). Frontiers in Microbiology 12
Names
Ca. Liberibacter asiaticus
Abstract
The Asian citrus psyllid, Diaphorina citri, is the vector of the bacterium “Candidatus Liberibacter asiaticus” (Las), associated with the devastating, worldwide citrus disease huanglongbing. In order to explore the molecular interactions of this bacterium with D. citri during the vector acquisition process, cDNA libraries were sequenced on an Illumina platform, obtained from the gut of adult psyllids confined in healthy (H) and in Las-infected young shoots (Las) for different periods of times (I

“Candidatus Chlorobium masyuteum,” a Novel Photoferrotrophic Green Sulfur Bacterium Enriched From a Ferruginous Meromictic Lake

Citation
Lambrecht et al. (2021). Frontiers in Microbiology 12
Names
Ca. Chlorobium masyuteum Ca. Pseudopelobacter ferreus
Abstract
Anoxygenic phototrophic bacteria can be important primary producers in some meromictic lakes. Green sulfur bacteria (GSB) have been detected in ferruginous lakes, with some evidence that they are photosynthesizing using Fe(II) as an electron donor (i.e., photoferrotrophy). However, some photoferrotrophic GSB can also utilize reduced sulfur compounds, complicating the interpretation of Fe-dependent photosynthetic primary productivity. An enrichment (BLA1) from meromictic ferruginous Brownie Lake,

EpicPCR-Directed Cultivation of a Candidatus Saccharibacteria Symbiont Reveals a Type IV Pili-dependent Epibiotic Lifestyle

Citation
Xie et al. (2021).
Names
Ca. Saccharibacteria
Abstract
AbstractCandidate phyla radiations (CPR), accounting for a major microbial supergroup with remarkably small genomes and reduced sizes, are widely distributed yet mostly uncultured. Limited culture and its obligate reliance upon other bacteria hindered investigation of their lifestyles. In this work we isolated a CPR bacterium, TM7i, with its host Leucobacter aridocollis J1, by combination of Emulsion, Paired Isolation and Concatenation PCR (epicPCR) detection and filtrate co-culture. Genomic pro

Bactericera cockerelli vector de Candidatus Liberibacter solanacearum, morfometría y haplotipos en poblaciones de México

Citation
Cerna Chávez et al. (2021). Revista Mexicana de Ciencias Agrícolas (26)
Names
“Liberibacter solanacearum”
Abstract
Bactericera cockerelli es una plaga de importancia económica en solanáceas en México, por los amarillamientos que causa en los cultivos, así como por la transmisión de Candidatus Liberibacter solanacearum. Se describen variantes genéticas de este insecto, las cuales se relacionan con su capacidad para fungir como vector. En México, la distribución de B. cockerelli es muy amplia y se carece de información acerca de sus características morfológicas y genéticas. El objetivo de esta investigación fu

Bacteriomic Analyses of Asian Citrus Psyllid and Citrus Samples Infected With “Candidatus Liberibacter asiaticus” in Southern California and Huanglongbing Management Implications

Citation
Huang et al. (2021). Frontiers in Microbiology 12
Names
Ca. Carsonella ruddii Ca. Liberibacter asiaticus Ca. Profftella armatura
Abstract
Citrus Huanglongbing (HLB; yellow shoot disease) is associated with an unculturable α-proteobacterium “Candidatus Liberibacter asiaticus” (CLas). HLB was found in southern California in 2012, and the current management strategy is based on suppression of the Asian citrus psyllid (Diaphorina citri) that transmits CLas and removal of confirmed CLas-positive trees. Little is known about Asian citrus psyllid-associated bacteria and citrus-associated bacteria in the HLB system. Such information is im

The Total Population Size of ‘Candidatus Liberibacter asiaticus’ Inside the Phloem of Citrus Trees and the Corresponding Metabolic Burden Related to Huanglongbing Disease Development

Citation
N.C. Vasconcelos et al. (2021). Phytopathology® 111 (7)
Names
Ca. Liberibacter asiaticus
Abstract
‘Candidatus Liberibacter asiaticus’ (CLas) is the predominant causal agent of citrus huanglongbing, the most devastating citrus disease worldwide. CLas colonizes phloem tissue and causes phloem dysfunction. The pathogen population size in local tissues and in the whole plant is critical for the development of disease symptoms by determining the load of pathogenicity factors and metabolic burden to the host. However, the total population size of CLas in a whole plant and the ratio of CLas to cit

Natranaerofaba carboxydovora gen. nov., sp. nov., an extremely haloalkaliphilic <scp>CO</scp>‐utilizing acetogen from a hypersaline soda lake representing a novel deep phylogenetic lineage in the class ‘Natranaerobiia

Citation
Sorokin et al. (2021). Environmental Microbiology 23 (7)
Names
Natranaerofaba Natranaerofabaceae
Abstract
SummaryAn anaerobic enrichment with CO from sediments of hypersaline soda lakes resulted in a methane‐forming binary culture, whereby CO was utilized by a bacterium and not the methanogenic partner. The bacterial isolate ANCO1 forms a deep‐branching phylogenetic lineage at the level of a new family within the class ‘Natranaerobiia’. It is an extreme haloalkaliphilic and moderate thermophilic acetogen utilizing CO, formate, pyruvate and lactate as electron donors and thiosulfate, nitrate (reduced