Microbial Ecology
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Published By Springer-Verlag

1432-184x, 0095-3628

2022 ◽  
Author(s):  
Yongxin Lin ◽  
Guiping Ye ◽  
Hang-Wei Hu ◽  
Ping Yang ◽  
Song Wan ◽  
...  

2022 ◽  
Author(s):  
Huyen-Trang Tran ◽  
Hung-Minh Nguyen ◽  
Thi-Minh-Hue Nguyen ◽  
Chieh Chang ◽  
Wei-Ling Huang ◽  
...  

2022 ◽  
Author(s):  
Raffaele Guzzon ◽  
Daniela Bertoldi ◽  
Tomas Roman ◽  
Roberto Zanzotti ◽  
Elena Franciosi

AbstractBacteria have a fundamental role in determining the fitness of grapevine, the composition of grapes and the features of wines but at present, little information is available. In this work, the bacteria colonizing the different portions of grapevine (bark, leaves and grapes) were explored in the vineyards of the Alpine region of Trentino, considering the impact of different environmental and agronomical variables. The vineyards included in the work were selected based on their different geographical positions (altitude) and grapevine training systems in order to explore the whole variability of the grapevine ecosystem. Moreover, the surface amount of copper was measured on grapes and leaves during the vegetative growth. Bacterial analysis, performed using plate counts and Illumina MiSeq, revealed an increase in the concentration of grape bacteria proportional to the progress of the ripening stage. Conversely, the peak of bacterial concentration onto leaf and bark samples occurred in August, probably due to the more favourable environmental conditions. In bark samples, the bacterial microbiota reached the 7 log CFU/cm2, while 6 log UFC/g were measured in grape samples. A remarkable biodiversity was observed, with 13 phyla, 35 classes, 55 orders, 78 families and 95 genera of bacteria present. The presence of some taxa (Alphaproteobacteria, Desulfovibrionaceae, Clostriadiales, Oscillospira, Lachnospiraceae and Bacteroidales) was ubiquitous in all vineyards, but differences in terms of relative abundance were observed according to the vegetative stage, altitude of the vineyard and training system. Bacteria having oenological implication (Lactobacillus, Pediococcus and Oenococcus) were detected in grape samples collected in August, in low abundance. The data revealed a complex bacterial ecosystem inside the vineyard that, while maintaining common traits, evolves according to environmental and agronomical inputs. This study contributes to define the role of bacteria in the complex balance established in each vineyard between human actions and agricultural environment, known as terroir.


2022 ◽  
Author(s):  
Jennifer R. Balacco ◽  
Bhagyashree P. Vaidya ◽  
Diane F. Hagmann ◽  
Nina M. Goodey ◽  
Jennifer Adams Krumins

2022 ◽  
Author(s):  
Leslie E. Decker ◽  
Priscilla A. San Juan ◽  
Magdalena L. Warren ◽  
Cory E. Duckworth ◽  
Cheng Gao ◽  
...  
Keyword(s):  

2022 ◽  
Author(s):  
Kei Nabeshima ◽  
Shingo Sato ◽  
R. Jory Brinkerhoff ◽  
Murasaki Amano ◽  
Hidenori Kabeya ◽  
...  

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