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Microbiology Research, Volume 13, Issue 2

2022 June - 14 articles

Cover Story: Cyanobacteria contain light-harvesting accessory structures composed of phycobiliproteins and attached to thylakoid membranes called phycobilisomes. Central to optimizing light capture for photosynthesis, both phycobiliprotein content and phycobilisome size are tuned to external light cues. Prior studies identified factors critical for controlling the phycobiliprotein content of phycobilisomes. In this study, Layer and Montgomery describe the prevalence and potential biochemical activity of a protein Phycobilisome Abundance Regulator (PsoR) involved in regulating phycobilisomes abundance and/or size. PsoR is widespread across the cyanobacterial phylum but absent in phycobilisome-containing red algae. PsoR is also predicted to function in nucleic acid metabolism to impact phycobilisomes abundance. View this paper
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Articles (14)

  • Article
  • Open Access
1 Citations
3,233 Views
10 Pages

Two Screening Assays to Detect Vancomycin-Resistant Enterococcus spp.

  • Beniamino T. Cenci-Goga,
  • Musafiri Karama,
  • Saeed El-Ashram,
  • Cristina Saraiva,
  • Juan García-Díez,
  • Athanasios Chalias and
  • Luca Grispoldi

Enterococci have become major nosocomial pathogens. An increasing number of these infections are as a result of vancomycin-resistant enterococci. Accurate detection of vancomycin-resistant enterococci (VRE) is important, so that appropriate therapy a...

  • Communication
  • Open Access
1 Citations
2,378 Views
9 Pages

Functional Characterisation of Two Novel Deacetylases from Streptococcus pyogenes

  • Tiger Aspell,
  • Adrina Hema Jethanand Khemlani,
  • Jacelyn Mei San Loh,
  • Catherine Jia-Yun Tsai and
  • Thomas Proft

Streptococcus pyogenes (Group A Streptococcus, GAS) is an exclusively human pathogen that causes a wide range of diseases. We have identified two novel proteins, Spy1094 and Spy1370, which show sequence similarity with peptidoglycan deacetylases (PGD...

  • Article
  • Open Access
6 Citations
3,490 Views
8 Pages

Identification of Fungi in Flaxseed (L. usitatissimum L.) Using the ITS1 and ITS2 Intergenic Regions

  • Nathalia de Castro Rollemberg,
  • Guilherme de Souza Hassemer,
  • Milena Dutra Pierezan,
  • Bruna Marchesan Maran,
  • Flávia Michelon Dalla Nora and
  • Silvani Verruck

Flaxseed (Linum usitatissimum L.) displays functional properties and contains α-linolenic acid (omega-3). It also contains soluble and insoluble fiber, lignans, phenolic acids, flavonoids, phytic acid, vitamins, and minerals. However, its micro...

  • Review
  • Open Access
63 Citations
12,116 Views
23 Pages

Deoxynivalenol: An Overview on Occurrence, Chemistry, Biosynthesis, Health Effects and Its Detection, Management, and Control Strategies in Food and Feed

  • Madhu Kamle,
  • Dipendra Kumar Mahato,
  • Akansha Gupta,
  • Shikha Pandhi,
  • Bharti Sharma,
  • Kajal Dhawan,
  • Vasundhara,
  • Sadhna Mishra,
  • Manoj Kumar and
  • Pradeep Kumar
  • + 5 authors

Mycotoxins are fungi-produced secondary metabolites that can contaminate many foods eaten by humans and animals. Deoxynivalenol (DON), which is formed by Fusarium, is one of the most common occurring predominantly in cereal grains and thus poses a si...

  • Article
  • Open Access
14 Citations
10,413 Views
14 Pages

An Assessment of the Lactic Acid-Producing Potential of Bacterial Strains Isolated from Food Waste

  • Henriette Peace Uwamahoro,
  • Fuyu Li,
  • Arbindra Timilsina,
  • Binbin Liu,
  • Xinzhen Wang and
  • Yinping Tian

Lactic acid (LA) is widely used in many industries as a crucial starting material in food products, bio-based materials, and biodegradable polymers. The goals of this research were to isolate LA bacteria from food wastes, assess their potential for L...

  • Article
  • Open Access
27 Citations
5,016 Views
20 Pages

Multi-Mycotoxin Contamination, Mold Incidence and Risk Assessment of Aflatoxin in Maize Kernels Originating from Nepal

  • Prateek Joshi,
  • Chananya Chauysrinule,
  • Warapa Mahakarnchanakul and
  • Thanapoom Maneeboon

Occurrence of mycotoxins in staple foods is a major threat to attaining food safety in developing countries. The study investigated multi-mycotoxin contamination for the first time in Nepalese maize along with the incidence of molds in 45 samples of...

  • Article
  • Open Access
14 Citations
7,840 Views
23 Pages

This paper focuses on the comparison of microbial biomass increase (cell culture growth) using field-relevant testing methods and moving away from colony counts. Challenges exist in exploring the antimicrobial growth of fastidious strains, poorly cul...

  • Review
  • Open Access
10 Citations
6,608 Views
16 Pages

Review of Treatments for Oropharyngeal Fungal Infections in HIV/AIDS Patients

  • Alexandre Noël de Tilly and
  • Sujeenthar Tharmalingam

HIV and AIDS patients are susceptible to opportunistic infections. Oral candidiasis or thrush is the primary manifestation of fungal infection in these patients. The primary objective of this literature review was to summarize established and novel t...

  • Brief Report
  • Open Access
2 Citations
2,656 Views
9 Pages

Oligotrophic Bacterial Community Structure Associated with Muscovite Mineral Is Rich in Proteobacterial Microbiomes Revealed through Next-Generation Sequencing

  • Charan Theja Pindi,
  • Prasada Babu Gundala,
  • Lakshmi Subhadra Paruchuri,
  • Jyothirmayee Kolapratap,
  • Vidyasagar Chennupati and
  • Paramageetham Chinthala

The microbial life indigenous to mineral deposits are generally regarded as extremophiles as they are tolerant to extreme conditions. The microorganisms that thrive in such environments survive by modifying their metabolic pathway or mechanisms. The...

  • Communication
  • Open Access
6 Citations
4,081 Views
9 Pages

Does DHN-Melanin Always Protect Fungi against Antifungal Drugs? The Fonsecaea/Micafungin Paradigm

  • Rowena Alves Coelho,
  • Maria Helena Galdino Figueiredo-Carvalho,
  • Juliana Vitória dos Santos Silva,
  • Dario Correa-Junior,
  • Susana Frases,
  • Rosely Maria Zancopé-Oliveira,
  • Dayvison Francis Saraiva Freitas and
  • Rodrigo Almeida-Paes

Several human pathogenic fungi produce melanin. One of its properties during parasitism is the protection against antifungal drugs. This occurs with the agents of chromoblastomycosis, in which DHN-melanin reduces antifungal susceptibility to terbinaf...

  • Review
  • Open Access
1 Citations
4,204 Views
13 Pages

Insights into the Virulence of Campylobacter jejuni Associated with Two-Component Signal Transduction Systems and Single Regulators

  • Noel Gahamanyi,
  • Dae-Geun Song,
  • Leonard E. G. Mboera,
  • Mecky I. Matee,
  • Dieudonné Mutangana,
  • Raghavendra G. Amachawadi,
  • Erick V. G. Komba and
  • Cheol-Ho Pan

Campylobacter jejuni is one of the major aetiologies of diarrhoea. Understanding the processes and virulence factors contributing to C. jejuni fitness is a cornerstone for developing mitigation strategies. Two-component signal transduction systems, k...

  • Communication
  • Open Access
2,906 Views
16 Pages

During chromatic acclimation (CA), cyanobacteria undergo shifts in their physiology and metabolism in response to changes in their light environment. Various forms of CA, which involves the tuning of light-harvesting accessory complexes known as phyc...

  • Article
  • Open Access
3 Citations
4,172 Views
15 Pages

Melanin Pathway Determination in Sclerotium cepivorum Berk Using Spectrophotometric Assays, Inhibition Compound, and Protein Validation

  • Luis M. Salazar-García,
  • Rocío Ivette Ortega-Cuevas,
  • José A. Martínez-Álvarez,
  • Sandra E. González-Hernández,
  • Román Antonio Martínez-Álvarez,
  • Diana Mendoza-Olivares,
  • Miguel Ángel Vázquez,
  • Alberto Flores-Martínez and
  • Patricia Ponce-Noyola

Sclerotium cepivorum Berk is the etiological agent of white rot disease that affects plants of the genus Allium. This fungus produces resistance structures called sclerotia that are formed by a rolled mycelium with a thick layer of melanin and it can...

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Microbiol. Res. - ISSN 2036-7481