Airi Palva
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Explore the profile of Airi Palva including associated specialties, affiliations and a list of published articles.
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Articles
123
Citations
5508
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Recent Articles
1.
Prajapati A, Palva A, von Ossowski I, Krishnan V
Acta Crystallogr D Struct Biol
. 2024 Jun;
80(Pt 7):474-492.
PMID: 38935340
Sortase-dependent pili are long surface appendages that mediate attachment, colonization and biofilm formation in certain genera and species of Gram-positive bacteria. Ligilactobacillus ruminis is an autochthonous gut commensal that relies...
2.
Sagmeister T, Gubensak N, Buhlheller C, Grininger C, Eder M, ordic A, et al.
Proc Natl Acad Sci U S A
. 2024 Jun;
121(24):e2401686121.
PMID: 38838019
S-layers are crystalline arrays found on bacterial and archaeal cells. is a diverse family of bacteria known especially for potential gut health benefits. This study focuses on the S-layer proteins...
3.
Prajapati A, Palva A, von Ossowski I, Krishnan V
Acta Crystallogr F Struct Biol Commun
. 2021 Aug;
77(Pt 8):238-245.
PMID: 34341189
Adhesion to host surfaces for bacterial survival and colonization involves a variety of molecular mechanisms. Ligilactobacillus ruminis, a strict anaerobe and gut autochthonous (indigenous) commensal, relies on sortase-dependent pili (LrpCBA)...
4.
Megta A, Pratap S, Kant A, Palva A, von Ossowski I, Krishnan V
Curr Res Struct Biol
. 2021 Jul;
2:229-238.
PMID: 34235482
To successfully colonize a host or environment, certain genera and species of Gram-positive bacteria have evolved to utilize the so-called sortase-dependent pilus, a long multi-subunit and non-flagellar surface adhesin. One...
5.
Tytgat H, Rasinkangas P, Ritari J, Reunanen J, Aalvink S, Lin C, et al.
Appl Microbiol Biotechnol
. 2021 Jan;
105(3):1123-1131.
PMID: 33417041
Many studies have established the functional properties of Lacticaseibacillus rhamnosus GG, previously known as Lactobacillus rhamnosus GG, marketed worldwide as a probiotic. The extraordinary capacity of L. rhamnosus GG to...
6.
Rasinkangas P, Tytgat H, Ritari J, Reunanen J, Salminen S, Palva A, et al.
Front Bioeng Biotechnol
. 2020 Sep;
8:1024.
PMID: 32974330
GG is one of the best studied lactic acid bacteria in the context of probiotic effects. GG has been shown to prevent diarrhea in children and adults and has been...
7.
Kant A, Palva A, von Ossowski I, Krishnan V
J Struct Biol
. 2020 Jul;
211(3):107571.
PMID: 32653644
Adhesion to cell surfaces is an essential and early prerequisite for successful host colonization by bacteria, and in most instances involves the specificities of various adhesins. Among bacterial Gram-positives, some...
8.
Megta A, Palva A, von Ossowski I, Krishnan V
Acta Crystallogr F Struct Biol Commun
. 2019 Dec;
75(Pt 12):731-737.
PMID: 31797814
The SpaB pilin is recognized as the basal subunit of the sortase-dependent SpaCBA pilus, which is known to be produced by the Gram-positive Lactobacillus rhamnosus GG, a gut-adapted commensal advocated...
9.
Hynonen U, Zoetendal E, Virtala A, Shetty S, Hasan S, Jakava-Viljanen M, et al.
Anaerobe
. 2019 Sep;
62:102104.
PMID: 31562947
In our previous studies on irritable bowel syndrome (IBS) -associated microbiota by molecular methods, we demonstrated that a particular 16S rRNA gene amplicon was more abundant in the feces of...
10.
Megta A, Mishra A, Palva A, von Ossowski I, Krishnan V
J Struct Biol
. 2019 Apr;
207(1):74-84.
PMID: 31026587
For some Gram-positive genera and species, the long-extended and adhesive sortase-dependent pilus plays an essential role during host colonization, biofilm formation, and immune modulation. Lactobacillus rhamnosus GG is a gut-adapted...