# Complete genome sequence of a member of a potentially novel genus within the family Opitutaceae isolated from a liquid medium used for co-cultivating duckweeds and river water-derived microbes

**Authors:** Yosuke Morishita, Tomoki Iwashita, Manabu Kanno, Hideyuki Tamaki, Yoichi Kamagata, Tadashi Toyama, Kazuhiro Mori, Masaaki Morikawa, Yasuhiro Tanaka

PMC · DOI: 10.1128/mra.00394-25 · Microbiology Resource Announcements · 2025-10-16

## TL;DR

This paper presents the full genome of a new bacterial strain that may belong to a previously unknown genus found in a liquid medium used for growing duckweeds and microbes.

## Contribution

The paper introduces a potentially novel genus within Opitutaceae with a fully sequenced genome.

## Key findings

- The genome of strain MRC-7 is 4,342,534 bp in size.
- It contains 3,428 protein-coding sequences, some linked to pectin degradation.

## Abstract

We report the complete genome sequence of strain MRC-7, which represents a potentially novel genus within the family Opitutaceae. The genome was 4,342,534 bp in size and contained 3,428 protein-coding sequences, several of which were predicted to be involved in pectin degradation.

## Linked entities

- **Species:** Opitutaceae (taxon 134623)

## Full-text entities

- **Genes:** GHS (Goldenhar syndrome) [NCBI Gene 7971]
- **Chemicals:** Carbohydrate (MESH:D002241), sodium hypochlorite (MESH:D012973), pectin (MESH:D010368), Hoagland medium (-)
- **Species:** Lemna (duckweed, genus) [taxon 4469], Rariglobus hedericola (species) [taxon 2597822], Opitutaceae (subdivision 4, family) [taxon 134623]
- **Cell lines:** MRC-7 — Homo sapiens (Human), Finite cell line (CVCL_2628)

## Full text

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## Figures

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## References

20 references — full list in the complete paper: https://tomesphere.com/paper/PMC12613999/full.md

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Source: https://tomesphere.com/paper/PMC12613999