Evidence map›Paper›PMID 10511549›Full record

ArticleGenetics1999

Transposition of the retrotransposon MAGGY in heterologous species of filamentous fungi.

H Nakayashiki, K Kiyotomi, Y Tosa, S Mayama

Open access · bronzeAbstract read
In one paragraph

Article in Genetics, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
5.9field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

22 citing papers in PubMed, 90 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

H NakayashikiLaboratory of Plant Pathology, Faculty of Agriculture, Kobe University, Kobe 657-8501, Japan. hn33@cornell.edu
K Kiyotomi
Y Tosa
S Mayama
Kobe University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

MAGGY is a gypsy-like LTR retrotransposon isolated from the blast fungus Pyricularia grisea (teleomorph, Magnaporthe grisea). We examined transposition of MAGGY in three P. grisea isolates (wheat, finger millet, and crabgrass pathogen), which did not originally possess a MAGGY element, and in two heterologous species of filamentous fungi, Colletotrichum lagenarium and P. zingiberi. Genomic Southern analysis of MAGGY transformants suggested that transposition of MAGGY occurred in all filamentous fungi tested. In contrast, no transposition was observed in any transformants with a modified MAGGY containing a 513-bp deletion in the reverse transcriptase domain. When a MAGGY derivative carrying an artificial intron was introduced into the wheat isolate of P. grisea and C. lagenarium, loss of the intron was observed. These results showed that MAGGY can undergo autonomous RNA-mediated transposition in heterologous filamentous fungi. The frequency of transposition differed among fungal species. MAGGY transposed actively in the wheat isolate of P. grisea and P. zingiberi, but transposition in C. lagenarium appeared to be rare. This is the first report that demonstrates active transposition of a fungal transposable element in heterologous hosts. Possible usage of MAGGY as a genetic tagging tool in filamentous fungi is discussed.

Indexed as

Blotting, SouthernColletotrichumDNA, FungalGenome, FungalIntronsMitosporic FungiRestriction MappingRetroelementsTransformation, GeneticTriticumDNA, FungalRetroelements

Identifiers

PMID10511549
PMCPMC1460772
OpenAlexW2117490623

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.