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Ecological significance of Candidatus ARS69 and Gemmatimonadota in the Arctic glacier foreland ecosystems

Citation
Venkatachalam et al. (2024). Applied Microbiology and Biotechnology 108 (1)
Names
Ca. ARS69
Abstract
Abstract  The Gemmatimonadota phylum has been widely detected in diverse natural environments, yet their specific ecological roles in many habitats remain poorly investigated. Similarly, the Candidatus ARS69 phylum has been identified only in a few habitats, and literature on their metabolic functions is relatively scarce. In the present study, we investigated the ecological significance of phyla Ca. ARS69 and Gemmatimonadota in the Arctic glacier foreland (GF) e

Molecular Characterization of ‘Candidatus Phytoplasma prunorum’ in the Czech Republic and Susceptibility of Apricot Rootstocks to the Two Most Abundant Haplotypes

Citation
Kiss et al. (2024). Microorganisms 12 (2)
Names
Ca. Phytoplasma prunorum
Abstract
‘Candidatus Phytoplasma prunorum’ is one of the most destructive pathogens of Prunus species, where susceptible species render unproductive several years after infection. In epidemiology, the molecular characterization of phytoplasmas is based on sequence analysis of variable nonribosomal genes. In this study aceF, pnp, imp and secY genes were used for characterization of the ‘Ca. P. prunorum’ genotypes present in the Czech Republic. In total, 56 plant and 33 vector (Cacopsylla pruni) samples po

Influence of ‘Candidatus Liberibacter solanacearum’ infection on carrot root weight in Germany

Citation
Sauer et al. (2024). European Journal of Plant Pathology
Names
“Liberibacter solanacearum”
Abstract
AbstractInfection with the bacterium ‘Candidatus Liberibacter solanacearum’ (Lso) is suspected to cause severe damage in carrot leading to high carrot weight loss. This study investigates three main aspects: (i) whether there is a reduction of carrot root weight under field conditions due to Lso infection; (ii) the correlation between Lso infection rate in carrot plants and occurrence of the psyllid Trioza apicalis as the known vector for Lso in carrot, and (iii) the comparison between symptoms

Identification and characterization of polyamine metabolism in citrus in response to ‘Candidatus Liberibacter asiaticus’ infection

Citation
Qifang et al. (2024). Phytopathology®
Names
Ca. Liberibacter asiaticus
Abstract
Citrus Huanglongbing, one of the most devastating citrus diseases, is caused by Candidatus Liberibacter asiaticus (CLas). Polyamines are aliphatic nitrogen-containing compounds that play important roles in disease resistance. However, the role of polyamine metabolism in the tolerance of citrus to infection with CLas have not been extensively studied. We used HPLC and UPLC-Q/TOF-MS to detect the contents of nine polyamine metabolism-related compounds (PMRCs) in six citrus cultivars with varying

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
Names
Ca. Patescibacteria
Abstract
Culture-independent DNA sequencing approaches have explored diverse yet-to-be-cultured microorganisms and have significantly expanded the tree of life in recent years. One major lineage of the domain Bacteria, Ca . Patescibacteria (also known as candidate phyla radiation), is widely distributed in natural and engineered ecosystems and has been thought to be dependent on host bacteria due to the lack of several biosynthetic pathways and small cell/genome size.