Oleksandr Maistrenko
@omaistrenko.bsky.social
Scientist.
Pangenomes, symbiosis, evolution, metagenomics.
MicroHealth consortium.
Postdoc University of Amsterdam; previously NIOZ 🇳🇱; EMBL🇩🇪; North Dakota State University🇺🇲, Fulbright Program; Taras Shevchenko National University of Kyiv, Ukraine🇺🇦
Pangenomes, symbiosis, evolution, metagenomics.
MicroHealth consortium.
Postdoc University of Amsterdam; previously NIOZ 🇳🇱; EMBL🇩🇪; North Dakota State University🇺🇲, Fulbright Program; Taras Shevchenko National University of Kyiv, Ukraine🇺🇦
Reposted by Oleksandr Maistrenko
We're up to 1000 studies in metalog.embl.de ! For the past year the focus was on finding inconsistencies in the data and creating the website, but now I have more time to go through the backlog of annotated issues to do QC and load them into the database.
November 6, 2025 at 2:55 PM
We're up to 1000 studies in metalog.embl.de ! For the past year the focus was on finding inconsistencies in the data and creating the website, but now I have more time to go through the backlog of annotated issues to do QC and load them into the database.
Reposted by Oleksandr Maistrenko
Great to see this finally published!
Metalog: curated and harmonised contextual data for global metagenomics samples
now out in @narjournal.bsky.social
academic.oup.com/nar/advance-...
Metalog: curated and harmonised contextual data for global metagenomics samples
now out in @narjournal.bsky.social
academic.oup.com/nar/advance-...
Metalog: curated and harmonised contextual data for global metagenomics samples
Abstract. Metagenomic sequencing enables the in-depth study of microbes and their functions in humans, animals, and the environment. While sequencing data
academic.oup.com
October 31, 2025 at 3:16 PM
Great to see this finally published!
Metalog: curated and harmonised contextual data for global metagenomics samples
now out in @narjournal.bsky.social
academic.oup.com/nar/advance-...
Metalog: curated and harmonised contextual data for global metagenomics samples
now out in @narjournal.bsky.social
academic.oup.com/nar/advance-...
Reposted by Oleksandr Maistrenko
To learn more about #DrosEU visit
droseu.net and join us!!
DrosEU has been funded by a @eseb.bsky.social Special Topic Network (7/7)
droseu.net and join us!!
DrosEU has been funded by a @eseb.bsky.social Special Topic Network (7/7)
DrosEU – European Drosophila Population Genomics Consortium
droseu.net
October 19, 2025 at 9:35 AM
To learn more about #DrosEU visit
droseu.net and join us!!
DrosEU has been funded by a @eseb.bsky.social Special Topic Network (7/7)
droseu.net and join us!!
DrosEU has been funded by a @eseb.bsky.social Special Topic Network (7/7)
Reposted by Oleksandr Maistrenko
Phenotypic divergence among European populations was assayed in 173 isofemale lines, spearheaded by Esra Durmaz Mitchell and Thomas Flatt, we show that populations differed markedly in multivariate trait structure @evolletters.bsky.social @eseb.bsky.social academic.oup.com/evlett/artic... (5/7)
Continent-wide differentiation of fitness traits and patterns of climate adaptation among European populations of Drosophila melanogaster
Abstract. A particularly well-studied evolutionary model is the vinegar fly Drosophila melanogaster, a cosmopolitan insect of ancestral southern-central Af
academic.oup.com
October 19, 2025 at 9:35 AM
Phenotypic divergence among European populations was assayed in 173 isofemale lines, spearheaded by Esra Durmaz Mitchell and Thomas Flatt, we show that populations differed markedly in multivariate trait structure @evolletters.bsky.social @eseb.bsky.social academic.oup.com/evlett/artic... (5/7)
Reposted by Oleksandr Maistrenko
We are in Bluesky and we are happy to share our two last consortium publications: the DrosEU expanded DEST dataset and a Continent-wide study of phenotypic differentiation among European #Drosophila melanogaster populations (1/7)
October 19, 2025 at 9:35 AM
We are in Bluesky and we are happy to share our two last consortium publications: the DrosEU expanded DEST dataset and a Continent-wide study of phenotypic differentiation among European #Drosophila melanogaster populations (1/7)
Reposted by Oleksandr Maistrenko
Huang, @tweethinking.bsky.social, Sepang et al. use phylogenetic analyses to reveal that the Njordarchaeales and Panguiarchaeales constitute the new class Njordarchaeia within Asgard archaea.
🔗 doi.org/10.1093/molbev/msaf201
#evobio #molbio #archaea
🔗 doi.org/10.1093/molbev/msaf201
#evobio #molbio #archaea
Phylogenomic Analyses Reveal that Panguiarchaeum Is a Clade of Genome-Reduced Asgard Archaea Within the Njordarchaeia
Abstract. The Asgard archaea are a diverse archaeal phylum important for our understanding of cellular evolution because they include the lineage that gave
doi.org
September 8, 2025 at 4:50 PM
Huang, @tweethinking.bsky.social, Sepang et al. use phylogenetic analyses to reveal that the Njordarchaeales and Panguiarchaeales constitute the new class Njordarchaeia within Asgard archaea.
🔗 doi.org/10.1093/molbev/msaf201
#evobio #molbio #archaea
🔗 doi.org/10.1093/molbev/msaf201
#evobio #molbio #archaea
Reposted by Oleksandr Maistrenko
📣 It is my pleasure to announce our recent review with Margherita on the current approaches, challenges, and perspectives in studying human maternal-fetal interface using in vitro models www.cell.com/cell-stem-ce... 🚀✨️
September 5, 2025 at 9:07 AM
📣 It is my pleasure to announce our recent review with Margherita on the current approaches, challenges, and perspectives in studying human maternal-fetal interface using in vitro models www.cell.com/cell-stem-ce... 🚀✨️
A great talk by Svitlana Serga about cytopIasmic incompatibility caused by #Wolbachia in the pest fly #Drosophila suzukii.
CBGP, INRAE, France and Karazin Kharkiv National University, Ukraine.
#ESEB2025
CBGP, INRAE, France and Karazin Kharkiv National University, Ukraine.
#ESEB2025
August 19, 2025 at 12:38 PM
A great talk by Svitlana Serga about cytopIasmic incompatibility caused by #Wolbachia in the pest fly #Drosophila suzukii.
CBGP, INRAE, France and Karazin Kharkiv National University, Ukraine.
#ESEB2025
CBGP, INRAE, France and Karazin Kharkiv National University, Ukraine.
#ESEB2025
Reposted by Oleksandr Maistrenko
⚡ Russian forces launched another attack against Ukraine. 270 drones and 10 missiles were deployed.
Administrative buildings of energy sector enterprises were damaged. No casualties were reported, according to local authorities.
Administrative buildings of energy sector enterprises were damaged. No casualties were reported, according to local authorities.
August 19, 2025 at 9:17 AM
⚡ Russian forces launched another attack against Ukraine. 270 drones and 10 missiles were deployed.
Administrative buildings of energy sector enterprises were damaged. No casualties were reported, according to local authorities.
Administrative buildings of energy sector enterprises were damaged. No casualties were reported, according to local authorities.
I will be at the #ESEB2025 conference! Text me if interested to meet or catchup:)
My poster is on Thursday about one of my hobby-projects about evolvability. Poster number is P03.284.
My poster is on Thursday about one of my hobby-projects about evolvability. Poster number is P03.284.
August 17, 2025 at 8:15 PM
I will be at the #ESEB2025 conference! Text me if interested to meet or catchup:)
My poster is on Thursday about one of my hobby-projects about evolvability. Poster number is P03.284.
My poster is on Thursday about one of my hobby-projects about evolvability. Poster number is P03.284.
Reposted by Oleksandr Maistrenko
We're very happy to release our new database Metalog metalog.embl.de ! It offers manually curated and harmonised contextual data for 110k metagenomics samples across the globe, incl. precomputed taxonomic profiles, for interactive browsing and for download 🧵 1/7
#microsky
#microsky
Metalog
Metalog is a repository of manually annotated metadata (or contextual data) for metagenomic sequencing data from across the globe.
metalog.embl.de
August 15, 2025 at 8:07 AM
We're very happy to release our new database Metalog metalog.embl.de ! It offers manually curated and harmonised contextual data for 110k metagenomics samples across the globe, incl. precomputed taxonomic profiles, for interactive browsing and for download 🧵 1/7
#microsky
#microsky
Reposted by Oleksandr Maistrenko
Continent-wide differentiation of fitness traits and patterns of climate adaptation among European populations of Drosophila melanogaster
doi.org/10.1093/evle...
Now in @evolletters.bsky.social by Esra Durmaz Mitchell et al.
Drosophila melanogaster
doi.org/10.1093/evle...
Now in @evolletters.bsky.social by Esra Durmaz Mitchell et al.
Drosophila melanogaster
August 11, 2025 at 4:59 PM
Continent-wide differentiation of fitness traits and patterns of climate adaptation among European populations of Drosophila melanogaster
doi.org/10.1093/evle...
Now in @evolletters.bsky.social by Esra Durmaz Mitchell et al.
Drosophila melanogaster
doi.org/10.1093/evle...
Now in @evolletters.bsky.social by Esra Durmaz Mitchell et al.
Drosophila melanogaster
Our preprint on estimating how many more prokaryotic taxa can be discovered in the unbinned fraction of metagenomic samples.
We predict that there are 10 archaeal and 145 bacterial novel phyla across all habitats.
#MicrobialDarkMatter #TreeOfLife #Microbiome #Archaea #Bacteria #Metagenomics
We predict that there are 10 archaeal and 145 bacterial novel phyla across all habitats.
#MicrobialDarkMatter #TreeOfLife #Microbiome #Archaea #Bacteria #Metagenomics
The team's first preprint is out!
Led by
@vishnuprasoodanan.bsky.social & @omaistrenko.bsky.social , we asked a question (almost) as old as microbiology: how many prokaryotic species exist on Earth? More specifically, how much diversity is "hiding" in existing metagenomic data?
A 🧵.
Led by
@vishnuprasoodanan.bsky.social & @omaistrenko.bsky.social , we asked a question (almost) as old as microbiology: how many prokaryotic species exist on Earth? More specifically, how much diversity is "hiding" in existing metagenomic data?
A 🧵.
A census of hidden and discoverable microbial diversity beyond genome-centric approaches https://www.biorxiv.org/content/10.1101/2025.06.26.661807v1
June 30, 2025 at 2:50 PM
Our preprint on estimating how many more prokaryotic taxa can be discovered in the unbinned fraction of metagenomic samples.
We predict that there are 10 archaeal and 145 bacterial novel phyla across all habitats.
#MicrobialDarkMatter #TreeOfLife #Microbiome #Archaea #Bacteria #Metagenomics
We predict that there are 10 archaeal and 145 bacterial novel phyla across all habitats.
#MicrobialDarkMatter #TreeOfLife #Microbiome #Archaea #Bacteria #Metagenomics
Reposted by Oleksandr Maistrenko
The team's first preprint is out!
Led by
@vishnuprasoodanan.bsky.social & @omaistrenko.bsky.social , we asked a question (almost) as old as microbiology: how many prokaryotic species exist on Earth? More specifically, how much diversity is "hiding" in existing metagenomic data?
A 🧵.
Led by
@vishnuprasoodanan.bsky.social & @omaistrenko.bsky.social , we asked a question (almost) as old as microbiology: how many prokaryotic species exist on Earth? More specifically, how much diversity is "hiding" in existing metagenomic data?
A 🧵.
A census of hidden and discoverable microbial diversity beyond genome-centric approaches https://www.biorxiv.org/content/10.1101/2025.06.26.661807v1
June 27, 2025 at 8:10 PM
The team's first preprint is out!
Led by
@vishnuprasoodanan.bsky.social & @omaistrenko.bsky.social , we asked a question (almost) as old as microbiology: how many prokaryotic species exist on Earth? More specifically, how much diversity is "hiding" in existing metagenomic data?
A 🧵.
Led by
@vishnuprasoodanan.bsky.social & @omaistrenko.bsky.social , we asked a question (almost) as old as microbiology: how many prokaryotic species exist on Earth? More specifically, how much diversity is "hiding" in existing metagenomic data?
A 🧵.
Reposted by Oleksandr Maistrenko
Join the EEBG 2025 Bioinformatics Workshop from July 7-12, 2025, in Kraków, Poland. Open to students and professionals; apply before May 12, 2025. Details at: https://oakland.edu/biology/directory/oleksyk #workshop
Taras K Oleksyk - Biological Sciences - Oakland University
Taras K Oleksyk - Biological Sciences - Oakland University
oakland.edu
April 4, 2025 at 5:02 PM
Join the EEBG 2025 Bioinformatics Workshop from July 7-12, 2025, in Kraków, Poland. Open to students and professionals; apply before May 12, 2025. Details at: https://oakland.edu/biology/directory/oleksyk #workshop
Reposted by Oleksandr Maistrenko
Happy to share our latest minireview on
Drosophila symbionts in infection: when a friend becomes an enemy | Infection and Immunity journals.asm.org/doi/10.1128/...
#immunity #infection #antimicrobialpeptides #microbiome #Drosophila #AcademicSky #insect #endosymbiont #symbiosis
Drosophila symbionts in infection: when a friend becomes an enemy | Infection and Immunity journals.asm.org/doi/10.1128/...
#immunity #infection #antimicrobialpeptides #microbiome #Drosophila #AcademicSky #insect #endosymbiont #symbiosis
Drosophila symbionts in infection: when a friend becomes an enemy | Infection and Immunity
Occupying the interface between host and environment, host-associated microbes play
essential roles in interactions with pathogens and influence disease progression (1–4). Considering that most entry ...
journals.asm.org
April 4, 2025 at 1:07 PM
Happy to share our latest minireview on
Drosophila symbionts in infection: when a friend becomes an enemy | Infection and Immunity journals.asm.org/doi/10.1128/...
#immunity #infection #antimicrobialpeptides #microbiome #Drosophila #AcademicSky #insect #endosymbiont #symbiosis
Drosophila symbionts in infection: when a friend becomes an enemy | Infection and Immunity journals.asm.org/doi/10.1128/...
#immunity #infection #antimicrobialpeptides #microbiome #Drosophila #AcademicSky #insect #endosymbiont #symbiosis
Reposted by Oleksandr Maistrenko
SymbNET PhD Summer School on Host-Microbe Symbioses 2025 with great lecturers:
J. Akorli,
@berasymbionts.bsky.social,
M. Blaser,
T. Bosch,
@nicoledubilier.bsky.social,
@fkttkm.bsky.social,
I. Gabanyi,
G. Dominguez-Bello,
and... 1/2
#SymbioSky #MicroSky gimm.idloom.events/phd-summer-s...
J. Akorli,
@berasymbionts.bsky.social,
M. Blaser,
T. Bosch,
@nicoledubilier.bsky.social,
@fkttkm.bsky.social,
I. Gabanyi,
G. Dominguez-Bello,
and... 1/2
#SymbioSky #MicroSky gimm.idloom.events/phd-summer-s...
PhD Summer School on Host-Microbe Symbioses 2025
Symbnet PhD Summer School on Host-Microbe Symbioses Gulbenkian Institute for Molecular Medicine (GIMM) & Católica Biomedical Research Centre (CBR) July 06...
gimm.idloom.events
March 17, 2025 at 12:55 PM
SymbNET PhD Summer School on Host-Microbe Symbioses 2025 with great lecturers:
J. Akorli,
@berasymbionts.bsky.social,
M. Blaser,
T. Bosch,
@nicoledubilier.bsky.social,
@fkttkm.bsky.social,
I. Gabanyi,
G. Dominguez-Bello,
and... 1/2
#SymbioSky #MicroSky gimm.idloom.events/phd-summer-s...
J. Akorli,
@berasymbionts.bsky.social,
M. Blaser,
T. Bosch,
@nicoledubilier.bsky.social,
@fkttkm.bsky.social,
I. Gabanyi,
G. Dominguez-Bello,
and... 1/2
#SymbioSky #MicroSky gimm.idloom.events/phd-summer-s...
Reposted by Oleksandr Maistrenko
We invite you to participate in the IX International Conference "Drosophila in Experimental Genetics and Biology", which will be held on June 16 - 18, 2025 in Ukraine. The event is hybrid with online and in-person participation. Working languages are Ukrainian and English. #Drosophila #genetics
March 9, 2025 at 10:18 PM
We invite you to participate in the IX International Conference "Drosophila in Experimental Genetics and Biology", which will be held on June 16 - 18, 2025 in Ukraine. The event is hybrid with online and in-person participation. Working languages are Ukrainian and English. #Drosophila #genetics
We invite you to participate in the IX International Conference "Drosophila in Experimental Genetics and Biology", which will be held on June 16 - 18, 2025 in Ukraine. The event is hybrid with online and in-person participation. Working languages are Ukrainian and English. #Drosophila #genetics
March 9, 2025 at 10:18 PM
We invite you to participate in the IX International Conference "Drosophila in Experimental Genetics and Biology", which will be held on June 16 - 18, 2025 in Ukraine. The event is hybrid with online and in-person participation. Working languages are Ukrainian and English. #Drosophila #genetics
Reposted by Oleksandr Maistrenko
I've attended the school in 2017. It is an amazing course with great lectures and opportunities to make friends and learn from leading scientists in the field!
#symbiosis #microbiome #biology
#symbiosis #microbiome #biology
Save the date 📅: The PhD Summer School on Host-microbe Symbioses is taking place from 6-19 of July in Oeiras, Portugal.
Registration is opening soon!
Learn more 👉 gimm.idloom.events/phd-summer-s...
@gimmfoundation.bsky.social @moorefound.bsky.social
@crc1182.bsky.social #CIFAR #CBR
Registration is opening soon!
Learn more 👉 gimm.idloom.events/phd-summer-s...
@gimmfoundation.bsky.social @moorefound.bsky.social
@crc1182.bsky.social #CIFAR #CBR
February 11, 2025 at 9:14 AM
I've attended the school in 2017. It is an amazing course with great lectures and opportunities to make friends and learn from leading scientists in the field!
#symbiosis #microbiome #biology
#symbiosis #microbiome #biology
Reposted by Oleksandr Maistrenko
Save the date 📅: The PhD Summer School on Host-microbe Symbioses is taking place from 6-19 of July in Oeiras, Portugal.
Registration is opening soon!
Learn more 👉 gimm.idloom.events/phd-summer-s...
@gimmfoundation.bsky.social @moorefound.bsky.social
@crc1182.bsky.social #CIFAR #CBR
Registration is opening soon!
Learn more 👉 gimm.idloom.events/phd-summer-s...
@gimmfoundation.bsky.social @moorefound.bsky.social
@crc1182.bsky.social #CIFAR #CBR
February 5, 2025 at 5:27 PM
Save the date 📅: The PhD Summer School on Host-microbe Symbioses is taking place from 6-19 of July in Oeiras, Portugal.
Registration is opening soon!
Learn more 👉 gimm.idloom.events/phd-summer-s...
@gimmfoundation.bsky.social @moorefound.bsky.social
@crc1182.bsky.social #CIFAR #CBR
Registration is opening soon!
Learn more 👉 gimm.idloom.events/phd-summer-s...
@gimmfoundation.bsky.social @moorefound.bsky.social
@crc1182.bsky.social #CIFAR #CBR
I've attended the school in 2017. It is an amazing course with great lectures and opportunities to make friends and learn from leading scientists in the field!
#symbiosis #microbiome #biology
#symbiosis #microbiome #biology
Save the date 📅: The PhD Summer School on Host-microbe Symbioses is taking place from 6-19 of July in Oeiras, Portugal.
Registration is opening soon!
Learn more 👉 gimm.idloom.events/phd-summer-s...
@gimmfoundation.bsky.social @moorefound.bsky.social
@crc1182.bsky.social #CIFAR #CBR
Registration is opening soon!
Learn more 👉 gimm.idloom.events/phd-summer-s...
@gimmfoundation.bsky.social @moorefound.bsky.social
@crc1182.bsky.social #CIFAR #CBR
February 11, 2025 at 9:14 AM
I've attended the school in 2017. It is an amazing course with great lectures and opportunities to make friends and learn from leading scientists in the field!
#symbiosis #microbiome #biology
#symbiosis #microbiome #biology
January 31, 2025 at 10:25 AM
January 30, 2025 at 9:38 AM
January 29, 2025 at 10:50 AM