Evidence map›Paper›PMID 9794807›Full record

ArticleThe Biochemical journal1998

Clustering of the YNA1 gene encoding a Zn(II)2Cys6 transcriptional factor in the yeast Hansenula polymorpha with the nitrate assimilation genes YNT1, YNI1 and YNR1, and its involvement in their transcriptional activation.

J Avila, C González, N Brito, J M Siverio

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In one paragraph

Article in The Biochemical journal, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.1field-weighted citation impact, top 24% 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

9 citing papers in PubMed, 52 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.

J AvilaDepartamento de Bioqu approximately ímica y Biolog approximately ía Molecular, Universidad de La Laguna, E-38206 La Laguna, Tenerife, Canarias, Spain.
C González
N Brito
J M Siverio
Universidad de La Laguna · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The genes encoding the nitrate transporter (YNT1), nitrite reductase (YNI1) and nitrate reductase (YNR1) are clustered in the yeast Hansenula polymorpha. In addition, DNA sequencing of the region containing these genes demonstrated that a new open reading frame called YNA1 (yeast nitrate assimilation) was located between YNR1 and YNI1. The YNA1 gene encodes a protein of 529 residues belonging to the family of Zn(II)2Cys6 fungal transcriptional factors, and has the highest similarity to the transcriptional factors encoded by nirA, and to a smaller extent to nit-4, involved in the nitrate induction of the gene involved in the assimilation of this compound in filamentous fungi. Northern blot analysis showed the presence of the YNA1 transcript in cells incubated in nitrate, nitrate plus ammonium, ammonium, and nitrogen-free media, with a decrease in its levels in those cells incubated in ammonium. In nitrate the strain Deltayna1::URA3, with a disrupted YNA1 gene, neither grew nor expressed the genes YNT1, YNI1 and YNR1. In the gene cluster YNT1-YNI1-YNA1-YNR1, the four genes were transcribed independently in the YNT1-->YNR1 direction and the transcription start sites were determined by primer extension.

Indexed as

Anion Transport ProteinsFungal ProteinsGenes, FungalMultigene FamilyTranscriptional ActivationAmino Acid SequenceBacterial ProteinsCarrier ProteinsCysteineMolecular Sequence DataNitrate ReductaseNitrate ReductasesNitratesNitrate TransportersNitrite ReductasesPichiaAnion Transport ProteinsBacterial ProteinsCarrier ProteinsCysteineFungal ProteinsNitrate ReductaseNitrate ReductasesNitratesNitrate TransportersNitrite ReductasesTranscription FactorsYNA1 protein, Pichia angusta

Identifiers

PMID9794807
PMCPMC1219828
OpenAlexW1821538035

What OpenQuestion holds

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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.