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lncRNA gene - mamRNA (SPNCRNA.1715) - Mmi1 and Mei2-associated RNA OR Mmi1 and Mei2-associated RNA

Gene summary

Standard name
mamRNA
Systematic ID
SPNCRNA.1715
Product
Mmi1 and Mei2-associated RNA OR Mmi1 and Mei2-associated RNA
Organism
Schizosaccharomyces pombe (fission yeast)
Feature type
lncRNA gene
Genomic location
chromosome II: 1307681..1308192 forward strand

Annotation

GO biological process

GO:0033621 - nuclear mRNA surveillance of meiosis-specific transcripts

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GO cellular component

GO:0005737 - cytoplasm

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GO:0005730 - nucleolus

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GO:0005634 - nucleus

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GO:0000932 - P-body

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GO molecular function

GO:0030674 - protein-macromolecule adaptor activity

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Genome organisation

PBO:0119739 - mamRNA is produced from a longer precursor transcript encompassing the downstream snoU14 gene and contains a previously unannotated intron, which itself encodes a C/D box snoRNA (snR107)

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Multi-locus phenotype

FYPO:0002960 - increased level of DSR-containing meiotic gene mRNA during vegetative growth

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Genotypes:

FYPO:0001327 - increased protein level during vegetative growth

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Genotypes:

FYPO:0003747 - normal level of DSR-containing meiotic gene mRNA during vegetative growth

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Genotypes:

Single locus phenotype

FYPO:0008435 - abnormal cytosolic ribosomal large subunit assembly

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Genotypes:

FYPO:0001117 - decreased RNA level during vegetative growth

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Genotypes:

FYPO:0003040 - decreased RNA splicing, via splicosome

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Genotypes:

FYPO:0001135 - increased 35S rRNA precursor level

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Genotypes:

FYPO:0002933 - increased mature snoRNA level

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Genotypes:

FYPO:0001327 - increased protein level during vegetative growth

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Genotypes:

FYPO:0005120 - increased RNA level during meiotic cell cycle

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Genotypes:

FYPO:0003700 - increased snoRNA primary transcript level

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Genotypes:

FYPO:0003747 - normal level of DSR-containing meiotic gene mRNA during vegetative growth

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Genotypes:

FYPO:0000833 - normal protein level during vegetative growth

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Genotypes:

FYPO:0006976 - normal RNA level during meiotic cell cycle

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Genotypes:

FYPO:0001317 - normal RNA level during vegetative growth

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Genotypes:

FYPO:0003058 - normal RNA localization

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Genotypes:

FYPO:0000590 - normal sporulation

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Genotypes:

FYPO:0008437 - RNA mislocalized to nucleolus during vegetative growth

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Genotypes:

FYPO:0003720 - snoRNA guided rRNA 2'-O-methylation abolished at specific site

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Genotypes:

FYPO:0002060 - viable vegetative cell population

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Genotypes:

Warnings

PBO:0000070 - gene structure updated

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References / Literature

PMID:33536434 - A scaffold lncRNA shapes the mitosis to meiosis switch.
Andric V et al. Nat Commun 2021 Feb 03;12(1):770
PMID:41298081 - Gamete fusion triggers cytosolic functions and P-body recruitment of the RNA-binding protein Mei2 to drive fission yeast zygotic development.
Araoyinbo A et al. Genes Dev 2025 Nov 26;
PMID:40185772 - A bifunctional snoRNA with separable activities in guiding rRNA 2'-O-methylation and scaffolding gametogenesis effectors.
Leroy E et al. Nat Commun 2025 Apr 05;16(1):3250