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Microorganisms, Volume 11, Issue 4

April 2023 - 277 articles

Cover Story: The study is aimed to verify the potential hazard of the SARS-CoV-2 XBB.1.5 variant, nicknamed Kraken.
The temporal origin reconstruction placed the common ancestor around October 10, 2022. Phylogeny indicates the lack of geographic structure and demographic analyses suggest the reaching of the plateau phase on 24 November 2022, with a relatively low evolutionary rate (6.9 × 10-4 subs/sites/years).
The comparison of the portion of the RBD-ACE2 interface indicates that XBB.1.5 differs from its ancestor XBB.1 for the mutations at position 486, where the serine is replaced by the proline.
The SARS-CoV-2 XBB.1.5 variant does not currently show evidence for a particularly high risk to become a new, global public health threat. View this paper
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Articles (277)

  • Article
  • Open Access
3 Citations
3,112 Views
26 Pages

Analysis of Bacterial Communities around the Adventdalen Landfill Site in Svalbard

  • Hermi Amores-Arrocha,
  • Alex K. B. Asamoah-Asare,
  • Joyce Opio,
  • Alex Martin,
  • Lewis Cuthbertson,
  • Hannah R. Bradford,
  • Maria-Luisa Avila-Jimenez and
  • David A. Pearce

Ecosystems are often resilient enough to fully recover following a natural disturbance, or to transform into a new equilibrium favourable to the surrounding flora and fauna. However, at a local level, whether this transformation will be beneficial or...

  • Article
  • Open Access
8 Citations
2,914 Views
14 Pages

Characterization and Genomic Analysis of the Naphthalene-Degrading Delftia tsuruhatensis ULwDis3 Isolated from Seawater

  • Olesya I. Sazonova,
  • Anastasia A. Ivanova,
  • Yanina A. Delegan,
  • Rostislav A. Streletskii,
  • Diana D. Vershinina,
  • Sergei L. Sokolov and
  • Anna A. Vetrova

Strains of the genus Delftia are poorly studied microorganisms. In this work, the complete genome of the naphthalene-degrading Delftia tsuruhatensis strain ULwDis3 isolated from seawater of the Gulf of Finland of the Baltic Sea was assembled. For the...

  • Article
  • Open Access
2 Citations
2,564 Views
14 Pages

Human Milk Microbiota Profile Affected by Prematurity in Argentinian Lactating Women

  • Sofía Oddi,
  • Anastasia Mantziari,
  • Paula Huber,
  • Ana Binetti,
  • Seppo Salminen,
  • Maria Carmen Collado and
  • Gabriel Vinderola

To study (16S rRNA-sequencing) the impact of gestational and corrected ages on the microbiota profile of human milk (HM) of mothers that delivered full-term and pre-term children, HM samples were obtained and classified according to the gestational a...

  • Article
  • Open Access
12 Citations
3,415 Views
13 Pages

Effect of Selected Factors Influencing Biogenic Amines Degradation by Bacillus subtilis Isolated from Food

  • Irena Butor,
  • Petra Jančová,
  • Khatantuul Purevdorj,
  • Lucie Klementová,
  • Maciej Kluz,
  • Ivana Huňová,
  • Hana Pištěková,
  • František Buňka and
  • Leona Buňková

Modern food technology research has researched possible approaches to reducing the concentration of biogenic amines in food and thereby enhance and guarantee food safety. Applying adjunct cultures that can metabolise biogenic amines is a potential ap...

  • Article
  • Open Access
4 Citations
3,211 Views
17 Pages

Trichoderma asperellum Extract Isolated from Brazil Nuts (Bertholletia excelsa BONPL): In Vivo and In Silico Studies on Melanogenesis in Zebrafish

  • Adriana Maciel Ferreira,
  • Iracirema da Silva Sena,
  • Jhone Curti,
  • Agerdânio Andrade de Souza,
  • Paulo Cesar dos Santos Lima,
  • Alex Bruno Lobato Rodrigues,
  • Ryan da Silva Ramos,
  • Wandson Braamcamp de Souza Pinheiro,
  • Irlon Maciel Ferreira and
  • José Carlos Tavares Carvalho

Endophytic fungi are those that present part of their life cycle in healthy tissues of different plant hosts in symbiosis without causing harm. At the same time, fungus-plant symbiosis makes it possible for microorganisms to synthesize their own bioa...

  • Article
  • Open Access
15 Citations
3,874 Views
17 Pages

In Vitro Probiotic Properties and In Vivo Anti-Ageing Effects of Lactoplantibacillus plantarum PFA2018AU Strain Isolated from Carrots on Caenorhabditis elegans

  • Laura Pompa,
  • Arianna Montanari,
  • Alberta Tomassini,
  • Michele Maria Bianchi,
  • Walter Aureli,
  • Alfredo Miccheli,
  • Daniela Uccelletti and
  • Emily Schifano

Lactic acid bacteria (LAB) share and provide several beneficial effects on human health, such as the release of bioactive metabolites, pathogen competition, and immune stimulation. The two major reservoirs of probiotic microorganisms are the human ga...

  • Review
  • Open Access
251 Citations
26,464 Views
16 Pages

Plant Growth-Promoting Rhizobacteria for Sustainable Agricultural Production

  • Luana Alves de Andrade,
  • Carlos Henrique Barbosa Santos,
  • Edvan Teciano Frezarin,
  • Luziane Ramos Sales and
  • Everlon Cid Rigobelo

Rhizosheric bacteria with several abilities related to plant growth and health have been denominated Plant Growth-Promoting Rhizobacteria (PGPR). PGPR promote plant growth through several modes of action, be it directly or indirectly. The benefits pr...

  • Article
  • Open Access
6 Citations
3,050 Views
13 Pages

Exploring Bacterial and Fungal Biodiversity in Eight Mediterranean Olive Orchards (Olea europaea L.) in Tunisia

  • Houda Gharsallah,
  • Ines Ksentini,
  • Olfa Frikha-Gargouri,
  • Karama Hadj Taieb,
  • Haifa Ben Gharsa,
  • Christina Schuster,
  • Amel Chatti-kolsi,
  • Mohamed Ali Triki,
  • Mohieddine Ksantini and
  • Andreas Leclerque

A wide array of bacteria and fungi are known for their association with pests that impact the health of the olive tree. The latter presents the most economically important cultivation in Tunisia. The microbial diversity associated with olive orchards...

  • Article
  • Open Access
19 Citations
3,370 Views
15 Pages

Screening for Multifarious Plant Growth Promoting and Biocontrol Attributes in Bacillus Strains Isolated from Indo Gangetic Soil for Enhancing Growth of Rice Crops

  • Shikha Devi,
  • Shivesh Sharma,
  • Ashish Tiwari,
  • Arvind Kumar Bhatt,
  • Nand Kumar Singh,
  • Monika Singh,
  • Kaushalendra and
  • Ajay Kumar

Multifarious plant growth-promoting Bacillus strains recovered from rhizospheric soils of the Indo Gangetic plains (IGPs) were identified as Bacillus licheniformis MNNITSR2 and Bacillus velezensis MNNITSR18 based on their biochemical characteristics...

  • Article
  • Open Access
2 Citations
5,967 Views
11 Pages

Impact of Growth Conditions on the Viability of Trichoderma asperellum during Storage

  • Alina Rimkus,
  • Agne Namina,
  • Marija Tereze Dzierkale,
  • Oskars Grigs,
  • Maris Senkovs and
  • Simona Larsson

As excellent biocontrol agents and plant growth promoters, Trichoderma species are agriculturally important. Trichoderma spp. cultures can be produced using solid-state or submerged cultivation, the latter being much less labor intensive and easier t...

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Microorganisms - ISSN 2076-2607Creative Common CC BY license