Lactonifactor

{{Short description|Genus of bacteria}}

{{Italic title}}

{{Taxobox

| domain = Bacteria

| phylum = Bacillota

| classis = Clostridia

| ordo = Lachnospirales

| familia = Lachnospiraceae

| genus = Lactonifactor

| genus_authority = Clavel et al. 2007{{cite journal |title=Genus: Lactonifactor |journal=LPSN.DSMZ.de |url=https://lpsn.dsmz.de/genus/lactonifactor |language=en}}

| type_species = Lactonifactor longoviformis

| type_species_authority = Clavel et al. 2007

| subdivision_ranks = Species

| subdivision =

• "L. hominis"
• L. longoviformis

| synonyms =

}}

Lactonifactor is a Gram-positive and anaerobic bacterial genus from the family of Clostridiaceae with one known species (Lactonifactor longoviformis).{{cite journal |title=Lactonifactor |website=www.uniprot.org |url=https://www.uniprot.org/taxonomy/420345}}{{cite journal |title=Taxonomy of the genus Lactonifactor Clavel et al. 2007 |year=2009|doi=10.1601/tx.10397|last1=Parker|first1=Charles Thomas|last2=Wigley|first2=Sarah|last3=Garrity|first3=George M.|editor1-first=Charles Thomas|editor1-last=Parker|editor2-first=George M|editor2-last=Garrity}}{{cite journal |last1=Clavel |first1=Thomas |last2=Lippman |first2=Ramona |last3=Gavini |first3=Françoise |last4=Doré |first4=Joël |last5=Blaut |first5=Michael |title=Clostridium saccharogumia sp. nov. and Lactonifactor longoviformis gen. nov., sp. nov., two novel human faecal bacteria involved in the conversion of the dietary phytoestrogen secoisolariciresinol diglucoside |journal=Systematic and Applied Microbiology |date=January 2007 |volume=30 |issue=1 |pages=16–26 |doi=10.1016/j.syapm.2006.02.003|pmid=17196483 |bibcode=2007SyApM..30...16C }} Lactonifactor longoviformis has been isolated from the human feces.