The genus Caulobacter and its role in plant microbiomes

Berrios, Louis

doi:10.1007/s11274-022-03237-0

Cited by 20 publications

(9 citation statements)

References 64 publications

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“…Based on literature review, enriched ASVs in different groups were categorized as PGPR at the genus level [ 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 , 89 , 90 , 91 , 92 , 93 , 94 , 95 , 96 , 97 , 98 , 99 , 100 , 101 , 102 , 103 , 104 , 105 , 106 , 107 , 108 , 109 ,…”

Section: Resultsmentioning

confidence: 99%

Exploring the Impact of Coconut Peat and Vermiculite on the Rhizosphere Microbiome of Pre-Basic Seed Potatoes under Soilless Cultivation Conditions

Yan,

Ma,

Bao

et al. 2024

Microorganisms

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Soilless cultivation of potatoes often utilizes organic coconut peat and inorganic vermiculite as growing substrates. The unique microbial communities and physicochemical characteristics inherent to each substrate significantly influence the microecological environment crucial for potato growth and breeding. This study analyzed environmental factors within each substrate and employed Illumina sequencing alongside bioinformatics tools to examine microbial community structures, their correlation with environmental factors, core microbial functions, and the dynamics of microbial networks across various samples. These included pure coconut peat (CP1) and pure vermiculite (V1), substrates mixed with organic fertilizer for three days (CP2 and V2), and three combinations cultivated with potatoes for 50 days (CP3, V3, and CV3—a 1:1 mix of coconut peat and vermiculite with organic fertilizer). Vermiculite naturally hosts a more diverse microbial community. After mixing with fertilizer and composting for 3 days, and 50 days of potato cultivation, fungal diversity decreased in both substrates. Coconut peat maintains higher bacterial diversity and richness compared to vermiculite, harboring more beneficial bacteria and fungi, resulting in a more complex microbial network. However, vermiculite shows lower bacterial diversity and richness, with an accumulation of pathogenic microorganisms. Among the 11 environmental factors tested, water-soluble nitrogen (WSN), total nitrogen (TN), available potassium (AK), total organic carbon (TOC) and air-filled porosity (AFP) were significantly associated with microbial succession in the substrate.The nutritional type composition and interaction patterns of indigenous microorganisms differ between vermiculite and coconut peat. Adding abundant nutrients significantly affects the stability and interaction of the entire microbial community, even post-potato cultivation. When using vermiculite for soilless cultivation, precise control and adjustment of nutrient addition quantity and frequency are essential.

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Section: Resultsmentioning

confidence: 99%

Exploring the Impact of Coconut Peat and Vermiculite on the Rhizosphere Microbiome of Pre-Basic Seed Potatoes under Soilless Cultivation Conditions

Yan,

Ma,

Bao

et al. 2024

Microorganisms

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“…The relative abundance of Caulobacter in BP treatment was greater than in control CK. Berrios ( 24 ) found that several Caulobacter strains harbored the potential to enhance plant biomass. The relative abundances of Bacillus aryabhattai , Bacillus sporothermodurans , and Gemmatimonas in the FA treatment were greater than in control CK.…”

Section: Discussionmentioning

confidence: 99%

Cooperative Action of Fulvic Acid and Bacillus paralicheniformis Ferment in Regulating Soil Microbiota and Improving Soil Fertility and Plant Resistance to Bacterial Wilt Disease

Zhu

Tan²,

Wang³

et al. 2023

Microbiol Spectr

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“…The results of this study also showed that several bacterial genera were significantly more abundant in the rhizosphere of healthy trees than in dead trees. Among these bacterial genera, as evidenced in previous studies, several species belonging to these groups are known as plant-growth-promoting and beneficial rhizosphere microbes, including root nodulators and free-living nitrogen-fixing bacteria (e.g., Bradyrhizobium, Rhizomicrobium, Caulobacter, Nitrosospira, Rhizobacter, Paraburkholderia, Rhizobium, Devosia, Caballeronia, Niveispirillum, Dyella, and Herbaspirillum ), beneficial Actinomycetes (e.g., Frankia, Streptomyces, and Actinoallomurus ), and other beneficial metabolite-, phytohormone-, and siderophore-producing phytopathogen-antagonistic bacteria (e.g., Lysobacter, Luteibacter, Mucilaginibacter, and Variovorax ) [ 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 ].…”

Section: Discussionmentioning

confidence: 99%

“…The beneficial roles of these bacterial genera are attributed to their ability to promote and support healthy plant growth by facilitating nutrient availability and acquisition, their ability to suppress phytopathogens, and support plant growth under abiotic stress [ 52 , 53 , 54 , 55 ]. Interestingly, a strain of Variovorax was shown in a previous study to have the ability to counteract the effect of drought stress in plants cultivated in dry soils.…”

Section: Discussionmentioning

confidence: 99%

Dysbiosis in the Rhizosphere Microbiome of Standing Dead Korean Fir (Abies koreana)

Han

Mannaa

Jeon

et al. 2022

Plants

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The Korean fir (Abies koreana), a native coniferous tree species mainly found on Mt. Halla in Jeju, South Korea, is suffering from continuous population decline and has been declared an endangered species. Research efforts have focused on the possible abiotic causes behind this worrying decline. However, the potential link between tree vitality and the rhizosphere microbiome remains unclear. In this study, a comparative metagenomic 16S rRNA sequence analysis was used to investigate the composition of the rhizosphere microbiota of samples collected from healthy and die-back-affected trees on Mt. Halla. The results indicated a significant reduction in the richness and diversity of microbiota in the rhizosphere of die-back-affected trees. Moreover, the relative abundance of Proteobacteria, Actinobacteria, and Bacteroidetes were significantly higher in healthy trees than in standing dead trees. Many bacterial genera were significantly more abundant in the rhizosphere of healthy trees, including those known for promoting plant growth and tolerance to biotic and abiotic stresses (e.g., Bradyrhizobium, Rhizomicrobium, Caulobacter, Nitrosospira, Rhizobacter, Paraburkholderia, Rhizobium, Devosia, Caballeronia, Niveispirillum, Dyella, Herbaspirillum, Frankia, Streptomyces, Actinoallomurus, Lysobacter, Luteibacter, Mucilaginibacter, and Variovorax). To our knowledge, this is the first report on rhizosphere bacterial microbiome dysbiosis in die-back-affected Korean fir trees, suggesting that the influence of rhizosphere microbiota should be considered to save this endangered species by investigating possible intervention strategies in future work.

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The genus Caulobacter and its role in plant microbiomes

Cited by 20 publications

References 64 publications

Exploring the Impact of Coconut Peat and Vermiculite on the Rhizosphere Microbiome of Pre-Basic Seed Potatoes under Soilless Cultivation Conditions

Exploring the Impact of Coconut Peat and Vermiculite on the Rhizosphere Microbiome of Pre-Basic Seed Potatoes under Soilless Cultivation Conditions

Cooperative Action of Fulvic Acid and Bacillus paralicheniformis Ferment in Regulating Soil Microbiota and Improving Soil Fertility and Plant Resistance to Bacterial Wilt Disease

Dysbiosis in the Rhizosphere Microbiome of Standing Dead Korean Fir (Abies koreana)

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