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Microorganisms, Volume 9, Issue 6

June 2021 - 235 articles

Cover Story: Pseudomonas syringae are plant pathogenic bacteria that use a type III secretion system (T3SS) to establish growth within host tissues. In P. syringae, multiple regulatory systems positively control deployment of the T3SS in response to plant metabolic signals. Other host signals and regulatory systems suppress the T3SS (e.g., the GacS/GacA system, pictured), potentially enabling fine-tuning of T3SS production over the course of infection. In this review, we summarize the current knowledge on how P. syringae regulates T3SS deployment in response to host environmental stimuli. View this paper
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Articles (235)

  • Article
  • Open Access
4 Citations
3,909 Views
17 Pages

Encapsulated Mixture of Methyl Salicylate and Tributyrin Modulates Intestinal Microbiota and Improves Growth Performance of Weaned Piglets

  • Yusen Wei,
  • Jiangdi Mao,
  • Jingliang Liu,
  • Yu Zhang,
  • Zhaoxi Deng,
  • Jiaqi Lv,
  • Maolong He,
  • Jianxin Liu and
  • Haifeng Wang

Tributyrin and essential oils have been used as alternatives to antimicrobials to improve gut health and growth performance in piglets. This study was to evaluate the effects of a dietary supplement with two encapsulated products containing different...

  • Article
  • Open Access
69 Citations
4,407 Views
15 Pages

Wide Genetic Diversity of Blastocystis in White-Tailed Deer (Odocoileus virginianus) from Maryland, USA

  • Jenny G. Maloney,
  • Yunah Jang,
  • Aleksey Molokin,
  • Nadja S. George and
  • Monica Santin

Blastocystis is a gastrointestinal protist frequently reported in humans and animals worldwide. Wildlife populations, including deer, may serve as reservoirs of parasitic diseases for both humans and domestic animals, either through direct contact or...

  • Article
  • Open Access
33 Citations
5,032 Views
12 Pages

Effects of Lactobacillus reuteri and Streptomyces coelicolor on Growth Performance of Broiler Chickens

  • Sarayu Bhogoju,
  • Collins N. Khwatenge,
  • Thyneice Taylor-Bowden,
  • Gabriel Akerele,
  • Boniface M. Kimathi,
  • Joseph Donkor and
  • Samuel N. Nahashon

There are well documented complications associated with the continuous use of antibiotics in the poultry industry. Over the past few decades, probiotics have emerged as viable alternatives to antibiotics; however, most of these candidate probiotic mi...

  • Review
  • Open Access
35 Citations
11,731 Views
30 Pages

The Effect of Probiotics on Health Outcomes in the Elderly: A Systematic Review of Randomized, Placebo-Controlled Studies

  • Ashley N. Hutchinson,
  • Cecilia Bergh,
  • Kirsten Kruger,
  • Martina Sűsserová,
  • Jessica Allen,
  • Sophie Améen and
  • Lina Tingö

Increasing evidence suggests that probiotic supplementation may be efficacious in counteracting age-related shifts in gut microbiota composition and diversity, thereby impacting health outcomes and promoting healthy aging. However, randomized control...

  • Article
  • Open Access
4 Citations
2,971 Views
15 Pages

Two Lysine Sites That Can Be Malonylated Are Important for LuxS Regulatory Roles in Bacillus velezensis

  • Xianming Cao,
  • Yulong Li,
  • Jialu Fan,
  • Yinjuan Zhao,
  • Rainer Borriss and
  • Ben Fan

S-ribosylhomocysteine lyase (LuxS) has been shown to regulate bacterial multicellular behaviors, typically biofilm formation. However, the mechanisms for the regulation are still mysterious. We previously identified a malonylation modification on K12...

  • Article
  • Open Access
6 Citations
3,670 Views
23 Pages

Epigenetic Silencing of MicroRNA-126 Promotes Cell Growth in Marek’s Disease

  • Isabelle Gennart,
  • Astrid Petit,
  • Laetitia Wiggers,
  • Srđan Pejaković,
  • Nicolas Dauchot,
  • Sylvie Laurent,
  • Damien Coupeau and
  • Benoît Muylkens

During latency, herpesvirus infection results in the establishment of a dormant state in which a restricted set of viral genes are expressed. Together with alterations of the viral genome, several host genes undergo epigenetic silencing during latenc...

  • Article
  • Open Access
35 Citations
5,627 Views
11 Pages

Confounding Factors Influencing the Kinetics and Magnitude of Serological Response Following Administration of BNT162b2

  • Jean-Louis Bayart,
  • Laure Morimont,
  • Mélanie Closset,
  • Grégoire Wieërs,
  • Tatiana Roy,
  • Vincent Gerin,
  • Marc Elsen,
  • Christine Eucher,
  • Sandrine Van Eeckhoudt and
  • Nathalie Ausselet
  • + 5 authors

Background: Little is known about potential confounding factors influencing the humoral response in individuals having received the BNT162b2 vaccine. Methods: Blood samples from 231 subjects were collected before and 14, 28, and 42 days following cor...

  • Article
  • Open Access
8 Citations
5,127 Views
21 Pages

Carboxy-terminal processing protease (Ctp) is a serine protease that controls multiple cellular processes through posttranslational modification of proteins. Acinetobacter baumannii ATCC 17978 ctp mutant, namely MR14, is known to cause cell wall defe...

  • Article
  • Open Access
3 Citations
3,268 Views
14 Pages

An Internal Promoter Drives the Expression of a Truncated Form of CCC1 Capable of Protecting Yeast from Iron Toxicity

  • Catarina Amaral,
  • Cristina Teixeira Vicente,
  • Soraia Marques Caetano,
  • Ana Gaspar-Cordeiro,
  • Yang Yang,
  • Peter Cloetens,
  • Célia V. Romão,
  • Claudina Rodrigues-Pousada and
  • Catarina Pimentel

In yeast, iron storage and detoxification depend on the Ccc1 transporter that mediates iron accumulation in vacuoles. While deletion of the CCC1 gene renders cells unable to survive under iron overload conditions, the deletion of its previously ident...

  • Article
  • Open Access
12 Citations
4,606 Views
22 Pages

Phylogenomic Reconstruction and Metabolic Potential of the Genus Aminobacter

  • Irene Artuso,
  • Paolo Turrini,
  • Mattia Pirolo,
  • Gabriele Andrea Lugli,
  • Marco Ventura and
  • Paolo Visca

Bacteria belonging to the genus Aminobacter are metabolically versatile organisms thriving in both natural and anthropized terrestrial environments. To date, the taxonomy of this genus is poorly defined due to the unavailability of the genomic sequen...

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Microorganisms - ISSN 2076-2607