The Gram-negative bacteria Photorhabdus and Xenorhabdus are known to produce a variety of different natural products (NP). These compounds play different roles since the bacteria live in symbiosis with nematodes and are pathogenic to insect larvae in the soil....

["Biochemistry","Biotechnology","Microbiology","Molecular Biology"]
doi:10.7717/peerj.3471
9 downloads
52 views

Background. Aspergillus niger along with many other lignocellulolytic fungi, has been widely used as a commercial workhorse for cellulase production. A fungal cellulase system generally includes three major classes of enzymes i.e. β-glucosidases, endoglucanases...

["Biochemistry","Biotechnology","Molecular Biology"]
doi:10.7287/peerj.preprints.3044v1
15 downloads
111 views

Clostridium septicum produces a number of diseases in human and farm animals which, in most of the cases, are fatal without clinical intervention. Alpha toxin is an important agent and the unique lethal virulent factor produced by Clostridium septicum. This toxin...

["Biochemistry","Biotechnology"]
doi:10.7717/peerj.3407
18 downloads
105 views

Background Pharyngitis is an inflammatory condition of the pharynx and associated structures commonly caused by the Group A streptococci (GAS). There is a growing interest in discovering plant-based anti-inflammatory compounds as potential alternatives to conventional...

["Agricultural Science","Biochemistry","Cell Biology","Food Science and Technology","Infectious Diseases"]
doi:10.7717/peerj.3469
6 downloads
75 views

In recent years, the use of lectins for screening of potential biomarkers has gained increased importance in cancer research, given the development in glycobiology that highlights altered structural changes of glycans in cancer associated processes. Lectins, having...

["Biochemistry","Biotechnology","Oncology"]
doi:10.7287/peerj.preprints.3035v1
241 downloads
562 views

Microbes for environmental research should be cultured in growth media with characteristics (e.g., pH, ionic strength, and ionic composition) as close to their original habitat as possible. Additionally, the medium should also enable high cell density to be obtained,...

["Biochemistry","Bioengineering","Biotechnology","Environmental Sciences","Microbiology"]
doi:10.7287/peerj.preprints.1406v5
935 downloads
651 views

Microbes, with their vast metabolic capabilities and great adaptability, occupy almost every conceivable ecological niche on Earth. Thus, could they survive in the oligotrophic (i.e., nutrient poor) deionized (DI) water that we use for experiments? Observations...

["Biochemistry","Biodiversity","Ecology","Environmental Sciences","Microbiology"]
doi:10.7287/peerj.preprints.181v5
55 downloads
320 views

Photosynthates released by benthic primary producers (BPP), such as reef algae and scleractinian corals, fuel the dissolved organic carbon (DOC) production on tropical coral reefs. DOC concentrations near BPP have repeatedly been observed to be elevated compared...

["Biochemistry","Ecology","Environmental Sciences","Marine Biology"]
doi:10.7717/peerj.3456
189 downloads
868 views

Solid medium enables spatially resolved simultaneous cultivation of different microbes in a simple and relatively low cost format useful for preliminary screening of microbial diversity. Lack of color contrast between colonies and agar, however, hampers colony...

["Biochemistry","Bioengineering","Environmental Sciences","Microbiology"]
doi:10.7287/peerj.preprints.89v5
109 downloads
529 views

Bacteria surface charge mediates important cell-environment and microbe-host interactions, and its accurate and precise measurement by microelectrophoresis requires removing metabolites adhered to the cell surface, where repeated centrifugation and washing by buffers...

["Biochemistry","Biotechnology","Environmental Sciences","Microbiology"]
doi:10.7287/peerj.preprints.91v5
181 downloads
823 views

The characteristics of the culture vessel determine, to a large extent, the type of growth medium suitable for use. For example, most growth media for high cell density cultivation are designed for expensive bioreactors operating either in continuous or fed-batch...

["Biochemistry","Bioengineering","Biotechnology","Environmental Sciences","Microbiology"]
doi:10.7287/peerj.preprints.117v5
54 downloads
297 views

TH(AGYLLGHINLHHLAHL(Aib)HHIL-NH2), a histidine-rich, cell-penetrating peptide with acid-activated pH response, designed and synthesized by our group, can effectively target tumor tissues with an acidic extracellular environment. Since the protonating effect of...

["Biochemistry","Cell Biology","Oncology"]
doi:10.7717/peerj.3429
55 downloads
267 views

The changes of protein expression that are monitored in proteomic experiments are a type of biological transformation that also involves changes in chemical composition. Accompanying the myriad molecular-level interactions that underlie any proteomic transformation,...

["Biochemistry","Mathematical Biology","Oncology"]
doi:10.7717/peerj.3421
303 downloads
1,268 views

Sufficient quantities of cells of consistent characteristics are needed for studying biologicalprocesses (at the population level ) in many areas of applied microbiology. However, generating the requisite biomass by cell culture is usually the rate-limiting step...

["Biochemistry","Biotechnology","Environmental Sciences","Microbiology"]
doi:10.7287/peerj.preprints.115v6
57 downloads
328 views

Background Synthesis of thyroid hormones and regulation of their metabolism involve free radicals that may affect redox balance in the body. Thyroid disorders causing variations in the levels of thyroid hormones may alter cellular oxidative stress. The aim of this...

["Biochemistry","Molecular Biology","Oncology","Medical Genetics","Metabolic Sciences"]
doi:10.7717/peerj.3365

Top subject areas - Articles & Preprints

Top subject areas - People

View all subject areas