Evidence map›Paper›PMID 17674124›Full record

ArticleJournal of plant research2007

The effects of light on sex determination in gametophytes of the fern Ceratopteris richardii.

Hiroyuki Kamachi, Orie Iwasawa, Leslie G Hickok, Masaaki Nakayama, Munenori Noguchi, Hiroshi Inoue

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Article in Journal of plant research, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
2.4field-weighted citation impact, top 11% 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

5 citing papers in PubMed, 15 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

6 authors at 2 institutions in 2 countries.

Hiroyuki KamachiGraduate School of Science and Engineering, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan. kamachi@sci.u-toyama.ac.jp
Orie Iwasawa
Leslie G Hickok
Masaaki Nakayama
Munenori Noguchi
Hiroshi Inoue
University of Toyama · JPUniversity of Tennessee at Knoxville · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The sexuality of homosporous fern gametophytes is usually determined by antheridiogen, a pheromone that promotes maleness. In this work the effect of photomorphogenically active light on antheridiogen-induced male development was examined for gametophytes of Ceratopteris richardii. Although blue light did not affect sensitivity to Ceratopteris antheridiogen (A(Ce)) in wild-type gametophytes, it was found that the gametophytes of the her1 mutant, which are insensitive to A(Ce), developed into males when grown under blue light in the presence of A(Ce). Thus, we conclude that another A(Ce)-signal transduction pathway activated by blue light exists latently in the gametophytes of C. richardii. Red light, on the other hand, suppressed male development. Because simultaneous red and blue light-irradiation did not promote male development in the her1 gametophytes, the action of red light seems to dominate that of blue light. The results of experiments with a photomorphogenic mutant also suggested that phytochrome may be involved in the action of red light.

Indexed as

LightColorFernsMutationPhenotypePlant Growth RegulatorsSex Determination ProcessesSex DifferentiationPlant Growth Regulators

Identifiers

PMID17674124
OpenAlexW2034025042

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.