Preprints (not yet peer-reviewed)

3 downloads
30 views

The 16S rRNA gene amplicon sequencing is a widely used high-throughput method for the taxonomic inference in microbial communities. Many data analysis pipelines have been developed to enhance the accuracy in reflecting the real taxonomy, in order to better guide...

["Bioinformatics","Microbiology","Molecular Biology"]
doi:10.7287/peerj.preprints.26872v1
13 downloads
58 views

Background: The accurate annotation of functional roles for newly sequenced genes of genomes is not a simple matter. Function is, of course, related to amino-acid sequence and to domain structure but not always in straightforward ways. Even where given functional...

["Evolutionary Studies","Microbiology"]
doi:10.7287/peerj.preprints.26855v1
51 downloads
197 views

Survival of microbes on various surfaces and habitats is a question of importance to basic science, as well as health care, water treatment and distribution, ecology, and search for life in other planetary bodies. To this end, various model organisms known to be...

["Biochemistry","Biotechnology","Cell Biology","Microbiology","Molecular Biology"]
doi:10.7287/peerj.preprints.3103v2
98 downloads
289 views

Klebsiella pneumoniae is an opportunistic bacterial pathogen known for its high frequency and diversity of antimicrobial resistance (AMR) genes. In addition to being a significant clinical problem in its own right, K. pneumoniae is the species within which several...

["Ecology","Microbiology","Infectious Diseases"]
doi:10.7287/peerj.preprints.26852v1
59 downloads
131 views

The coccolithophore Emiliania huxleyi forms some of the largest phytoplankton blooms in the ocean. The rapid demise of these blooms has been linked to viral infections. E. huxleyi abundance, distribution, and nutritional status make them an important food source...

["Marine Biology","Microbiology","Virology","Biological Oceanography"]
doi:10.7287/peerj.preprints.26851v1
89 downloads
318 views

Next-generation sequencing has provided powerful tools to conduct microbial ecology studies. Analysis of community composition relies on annotated databases of curated sequences to provide taxonomic assignments; however, these databases occasionally have errors...

["Bioinformatics","Ecology","Marine Biology","Microbiology","Taxonomy"]
doi:10.7287/peerj.preprints.26824v1
13 downloads
56 views

Polyethylene glycol is commonly used in fermentations as an anti-foam for preventing the rise of foam to the top plate of the bioreactor, which increases contamination risk. However, its potential toxicity to growth of various microorganisms is not well understood...

["Biochemistry","Bioengineering","Biotechnology","Cell Biology","Microbiology"]
doi:10.7287/peerj.preprints.26817v1
20 downloads
50 views

Bacteria are important components of marine ecosystems and play a critical role in the biogeochemical cycles. Although ubiquitous and abundant in marine ecosystems, little is known about their diversity and composition, which is usually affected by several environmental...

["Ecology","Microbiology"]
doi:10.7287/peerj.preprints.26792v1
54 downloads
119 views

Mutualistic symbiosis with fungal endophytes has been suggested as a possible mechanism for extreme environment colonization by Antarctic vascular plants. Fungal endophytes improve plant stress tolerance and performance by increasing plant hormone production and...

["Ecology","Microbiology","Mycology","Plant Science"]
doi:10.7287/peerj.preprints.26774v1
1,481 downloads
930 views

Microbes, with their vast metabolic capabilities and great adaptability, occupy almost every conceivable ecological niche on Earth. Thus, could they survive in oligotrophic deionized (DI) water? Observations of white cauliflower-like lumps and black specks in salt...

["Biochemistry","Biodiversity","Ecology","Microbiology","Freshwater Biology"]
doi:10.7287/peerj.preprints.181v6
36 downloads
107 views

Semi-selective enrichment, followed by PCR screening, resulted in the successful direct isolation of fast-growing Rhizobia from a dryland agricultural soil. Over 50% of these isolates belong to the genus Neorhizobium, as concluded from partial rpoB and near-complete...

["Agricultural Science","Biodiversity","Microbiology","Soil Science"]
doi:10.7287/peerj.preprints.26724v1
77 downloads
135 views

Because increasing evidence has confirmed the importance of plant-associated bacteria for plant growth and productivity, it is believed that interactions between bacteria and alien plants play an important role in plant invasions. However, the diversity of bacterial...

["Biodiversity","Ecology","Microbiology","Plant Science"]
doi:10.7287/peerj.preprints.26701v1
23 downloads
89 views

Proteins and metabolites typically adsorb to bacterial cell surface through a variety of mechanisms such as van der Waals attraction and electrostatic interactions, and forms a layer of nonspecifically adsorbed ions and molecules on the cell surface. Thus, the...

["Biochemistry","Biophysics","Biotechnology","Microbiology","Biogeochemistry"]
doi:10.7287/peerj.preprints.26697v1
53 downloads
79 views

The beetle genus Cephaloleia has evolved in association with tropical ginger plants and for many species their specific host plant associations are known. Here we show that the core microbiome of six closely-related Costa Rican Cephaloleia species comprises only...

["Biodiversity","Ecology","Entomology","Microbiology"]
doi:10.7287/peerj.preprints.26692v1
25 downloads
63 views

The picophytoplankton, Prochlorococcus and Synechococcus, are small photosynthetic cells (< 3µm diameter) important in the world’s tropical oceans. With a large surface area to volume ratio these cells are very responsive to their environment, and their distribution...

["Ecology","Marine Biology","Microbiology","Biological Oceanography"]
doi:10.7287/peerj.preprints.26677v1
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