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Microscopic and metatranscriptomic analyses revealed unique cross-domain parasitism between phylum Candidatus Patescibacteria/candidate phyla radiation and methanogenic archaea in anaerobic ecosystems

Citation
Kuroda et al. (2024). mBio 15 (3)
Names
Ca. Patescibacteria
Abstract
ABSTRACT To verify whether members of the phylum Candidatus Patescibacteria parasitize archaea, we applied cultivation, microscopy, metatranscriptomic, and protein structure prediction analyses on the Patescibacteria-enriched cultures derived from a methanogenic bioreactor. Amendment of cultures with exogenous methanogenic archaea, acetate, amino acids, and nucleoside monophosphates increased the relative abundance of

Pentastiridius leporinus (Linnaeus, 1761) as a Vector of Phloem-Restricted Pathogens on Potatoes: ‘Candidatus Arsenophonus Phytopathogenicus’ and ‘Candidatus Phytoplasma Solani’

Citation
Therhaag et al. (2024). Insects 15 (3)
Names
Arsenophonus Ca. Arsenophonus phytopathogenicus Ca. Phytoplasma Ca. Phytoplasma solani
Abstract
In Germany, the phloem-sucking planthopper Pentastiridius leporinus (Hemiptera: Cixiidae) currently represents the epidemiological driver for the spread of the syndrome “Basses Richesses” in sugar beets, which results in a reduced sugar content and an economic loss for the farmers. This disease is associated with the γ-proteobacterium ‘Candidatus Arsenophonus phytopathogenicus’ and the Stolbur phytoplasma ‘Candidatus Phytoplasma solani’. Recently, P. leporinus was found in potato fields in Germa

Dynamics of Candidatus Liberibacter asiaticus growth, concentrations of reactive oxygen species, and ion leakage in HLB-positive sweet orange

Citation
Pandey et al. (2024). Phytopathology®
Names
Ca. Liberibacter asiaticus
Abstract
Citrus Huanglongbing (HLB) caused by Candidatus Liberibacter asiaticus (CLas) is the most devastating citrus disease worldwide. CLas induces systemic and chronic reactive oxygen species (ROS) production, which was suggested to be a primary cause of cell death in phloem tissues and subsequent HLB symptoms. Mitigating oxidative stress caused by CLas using horticultural approaches has been suggested to a useful strategy to reduce HLB damages. To provide the information regarding the application ti

Adipokinetic hormone signaling mediates the fecundity of Diaphorina citri infected by ‘Candidatus Liberibacter asiaticus’

Citation
Li et al. (2024).
Names
Ca. Liberibacter asiaticus
Abstract
Diaphorina citri is the primary vector of the bacterium, ‘ Candidatus Liberibacter asiaticus’ ( C Las) associated with the severe Asian form of huanglongbing. C Las-positive D. citri are more fecund than their C Las-negative counterparts and require extra energy expenditure. Therefore, understanding the molecular mechanisms linking metabolism and reproduction is of particular importance. In this present study, we found adipokinetic hormone ( DcAKH ) and its receptor ( DcAKHR ) were essenti

Adipokinetic hormone signaling mediates the fecundity of Diaphorina citri infected by ‘Candidatus Liberibacter asiaticus’

Citation
Li et al. (2024).
Names
Ca. Liberibacter asiaticus
Abstract
Diaphorina citri is the primary vector of the bacterium, ‘ Candidatus Liberibacter asiaticus’ ( C Las) associated with the severe Asian form of huanglongbing. C Las-positive D. citri are more fecund than their C Las-negative counterparts and require extra energy expenditure. Therefore, understanding the molecular mechanisms linking metabolism and reproduction is of particular importance. In this present study, we found adipokinetic hormone ( DcAKH ) and its receptor ( DcAKHR ) were essenti

Extremely acidic proteomes and metabolic flexibility in bacteria and highly diversified archaea thriving in geothermal chaotropic brines

Citation
Gutierrez-Preciado et al. (2024).
Names
“Karumarchaeum halophilus” “Abyssiniarchaeum dallolvicinus” “Haloaenigmatarchaeum” “Haloaenigmatarchaeum danakilense” “Abyssiniarchaeum” “Karumarchaeum” “Salsurabacterium abyssinicum” “Salsurabacterium” “Salsurabacteria”
Abstract
Few described archaeal, and fewer bacterial, lineages thrive at salt-saturating conditions, such as solar saltern crystallizers (salinity above 30%-w/v). They accumulate molar K+ cytoplasmic concentrations to maintain osmotic balance ("salt-in" strategy), and have proteins adaptively enriched in negatively charged, acidic amino acids. Here, we analyzed metagenomes and metagenome-assembled genomes (MAGs) from geothermally influenced hypersaline ecosystems with increasing chaotropicity in the Dana

Metabolomic Profiling Reveals the Quality Variations in Citri Reticulatae Pericarpium (Citrus reticulata Blanco cv. Chachiensis) with Different Storage Ages in Response to “Candidatus Liberibacter Asiaticus” Infection

Citation
Liang et al. (2024). Foods 13 (6)
Names
Liberibacter Ca. Liberibacter asiaticus
Abstract
Citri Reticulatae Pericarpium, especially the pericarp of Citrus reticulata Blanco cv. Chachiensis (PCRC), is an important edible and medicinal ingredient for health and pharmacological properties. Citrus Huanglongbing, a devastating disease that currently threatens the citrus industry worldwide, is caused by a phloem-limited alpha-proteobacterium, “Candidatus Liberibacter asiaticus” (CLas). The industry of cultivar Chachiensis has been suffering from HLB. Although HLB affected the quality of ci