Evidence map›Paper›PMID 12417694›Full record

ArticleThe Plant cell2002

The Chlamydomonas reinhardtii plastid chromosome: islands of genes in a sea of repeats.

Jude E Maul, Jason W Lilly, Liying Cui, Claude W dePamphilis, Webb Miller, Elizabeth H Harris, David B Stern

Open access · greenAbstract read
In one paragraph

Article in The Plant cell, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 182 papers.

0numbers the graph read from it
0cells of the map it votes in
182citing papers in PubMed
7.3field-weighted citation impact, top 2% 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

182 citing papers in PubMed, 428 citations in OpenAlex.

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122 more citing papers are in PubMed but not listed here.

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

7 authors at 3 institutions in 1 country.

Jude E MaulBoyce Thompson Institute for Plant Research, Cornell University, Ithaca, New York 14853, USA.
Jason W Lilly
Liying Cui
Claude W dePamphilis
Webb Miller
Elizabeth H Harris
David B Stern
Cornell University · USPennsylvania State University · USDuke University · US

Funding

SOFTWARE FOR ANALYZING BIOSEQUENCE DATAR01HG002238 · NHGRI · PENNSYLVANIA STATE UNIVERSITY-UNIV PARK · PI MILLER, WEBB COLBY · 2000 to 2010
$7.8M
NHGRI NIH HHS HG02238NHGRI NIH HHS R01 HG002238
6 · The paper itself

Abstract

Chlamydomonas reinhardtii is a unicellular eukaryotic alga possessing a single chloroplast that is widely used as a model system for the study of photosynthetic processes. This report analyzes the surprising structural and evolutionary features of the completely sequenced 203,395-bp plastid chromosome. The genome is divided by 21.2-kb inverted repeats into two single-copy regions of approximately 80 kb and contains only 99 genes, including a full complement of tRNAs and atypical genes encoding the RNA polymerase. A remarkable feature is that >20% of the genome is repetitive DNA: the majority of intergenic regions consist of numerous classes of short dispersed repeats (SDRs), which may have structural or evolutionary significance. Among other sequenced chlorophyte plastid genomes, only that of the green alga Chlorella vulgaris appears to share this feature. The program MultiPipMaker was used to compare the genic complement of Chlamydomonas with those of other chloroplast genomes and to scan the genomes for sequence similarities and repetitive DNAs. Among the results was evidence that the SDRs were not derived from extant coding sequences, although some SDRs may have arisen from other genomic fragments. Phylogenetic reconstruction of changes in plastid genome content revealed that an accelerated rate of gene loss also characterized the Chlamydomonas/Chlorella lineage, a phenomenon that might be independent of the proliferation of SDRs. Together, our results reveal a dynamic and unusual plastid genome whose existence in a model organism will allow its features to be tested functionally.

Indexed as

Amino Acid SequenceAnimalsChlamydomonas reinhardtiiChlorellaDNA, ChloroplastDNA-Directed RNA PolymerasesEvolution, MolecularInterspersed Repetitive SequencesMolecular Sequence DataPhylogenyRNA, RibosomalSequence Homology, Amino AcidSequence Homology, Nucleic AcidDNA, ChloroplastDNA-Directed RNA PolymerasesRNA, Ribosomal

Identifiers

PMID12417694
PMCPMC153795
OpenAlexW2149213980

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.