Cited by 43Algal biology and biofuel productionBioinformatics and Genomic NetworksGenomics and Phylogenetic Studies

ALCOdb: Gene Coexpression Database for Microalgae

Open access
Aoki, Yuichi, Okamura, Yasunobu, Ohta, Hiroyuki, Kinoshita, Kengo, Obayashi, Takeshi·2016·Plant and Cell Physiology

Abstract

In the era of energy and food shortage, microalgae have gained much attention as promising sources of biofuels and food ingredients. However, only a small fraction of microalgal genes have been functionally characterized. Here, we have developed the Algae Gene Coexpression database (ALCOdb; http://alcodb.jp), which provides gene coexpression information to survey gene modules for a function of interest. ALCOdb currently supports two model algae: the green alga Chlamydomonas reinhardtii and the red alga Cyanidioschyzon merolae. Users can retrieve coexpression information for genes of interest through three unique data pages: (i) Coexpressed Gene List; (ii) Gene Information; and (iii) Coexpressed Gene Network. In addition to the basal coexpression information, ALCOdb also provides several advanced functionalities such as an expression profile viewer and a differentially expressed gene search tool. Using these user interfaces, we demonstrated that our gene coexpression data have the potential to detect functionally related genes and are useful in extrapolating the biological roles of uncharacterized genes. ALCOdb will facilitate molecular and biochemical studies of microalgal biological phenomena, such as lipid metabolism and organelle development, and promote the evolutionary understanding of plant cellular systems.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1093/pcp/pcv190

Cites

3 of 3 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Three web-based resources for algal genomics (pico-PLAZA, AlgaePath, ALCOdb) provide genomic information, intuitive tools for functional genomics, gene co-expression data, and details of gene expression prediction based on metabolic pathways in some microalgae.

    “Besides, there are three web-based resources available for algal genomics, including pico-PLAZA (http://bioinformatics.psb.ugent.be/pico-plaza/), AlgaePath (http://algaepath.itps.ncku.edu.tw), and ALCOdb (http://alcodb.jp). These genomics resources provide genomic information, intuitive tools for functional genomics, gene co-expression data, and details of gene expression prediction based on metab”

    From Microalgae biofuels: illuminating the path to a sustainable future amidst challenges and opportunities (2024) · cites this paper as [227]

    The Introduction and Results and Discussion (no page numbers available) identify ALCOdb as a web-based microalgal resource with gene co-expression data and tools for investigating gene function; the Introduction also describes AlgaePath. Our copy does not establish the claim about pico-PLAZA or describe gene-expression prediction based on metabolic pathways. (LLM, conf=0.86)

    Experimental — accuracy not yet measured

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Research works printed but not linked: 36

  1. Barabási A.-L. Oltvai Z.N. (2004) Network biology: understanding the cell’s functional organization. Nat. Rev. Genet. 5: 101– 13. 14735121
  2. Barrett T. Wilhite S.E. Ledoux P. Evangelista C. Kim I.F. Tomashevsky M. (2013) NCBI GEO: archive for functional genomics data sets—update. Nucleic Acids Res. 41: D991– D995. 23193258 PMC3531084
  3. Blake J.A. Dolan M. Drabkin H. Hill D.P. Ni L. Sitnikov D. (2013) Gene ontology annotations and resources. Nucleic Acids Res. 41: D530– D535. 23161678 PMC3531070
  4. Draaisma R.B. Wijffels R.H. Slegers P.M. Brentner L.B. Roy A. Barbosa M.J. (2013) Food commodities from microalgae. Curr. Opin. Biotechnol. 24: 169– 177. 23084075
  5. Finn R.D. Bateman A. Clements J. Coggill P. Eberhardt R.Y. Eddy S.R. (2014) Pfam: the protein families database. Nucleic Acids Res. 42: D222– D230. 24288371 PMC3965110
  6. Garber M. Grabherr M.G. Guttman M. Trapnell C. (2011) Computational methods for transcriptome annotation and quantification using RNA-seq. Nat. Methods 8: 469– 477. 21623353
  7. Gimpel J.A. Specht E.A. Georgianna D.R. Mayfield S.P. (2013) Advances in microalgae engineering and synthetic biology applications for biofuel production. Curr. Opin. Chem. Biol. 17: 489– 495. 23684717
  8. Goodstein D.M. Shu S. Howson R. Neupane R. Hayes R.D. Fazo J. (2012) Phytozome: a comparative platform for green plant genomics. Nucleic Acids Res. 40: D1178– D1186. 22110026 PMC3245001
  9. Grovenstein P.B. Wilson D.A. Lennox C.G. Smith K.P. Contractor A.A. Mincey J.L. (2013) Identification and molecular characterization of a novel Chlamydomonas reinhardtii mutant defective in chlorophyll biosynthesis. F1000Research 2: 138. 24555064 PMC3901506
  10. Hansen B.O. Vaid N. Musialak-Lange M. Janowski M. Mutwil M. (2014) Elucidating gene function and function evolution through comparison of co-expression networks of plants. Front. Plant Sci. 5: 1– 9. PMC4137175 25191328
  11. Ikegami A. Yoshimura N. Motohashi K. Takahashi S. Romano P.G.N. Hisabori T. (2007) The CHLI1 subunit of Arabidopsis thaliana magnesium chelatase is a target protein of the chloroplast thioredoxin. J. Biol. Chem. 282: 19282– 19291. 17472958
  12. Kanehisa M. Goto S. Sato Y. Furumichi M. Tanabe M. (2012) KEGG for integration and interpretation of large-scale molecular data sets. Nucleic Acids Res. 40: D109– D114. 22080510 PMC3245020
  13. Kodama Y. Mashima J. Kaminuma E. Gojobori T. Ogasawara O. Takagi T. (2012) The DNA Data Bank of Japan launches a new resource, the DDBJ Omics Archive of functional genomics experiments. Nucleic Acids Res. 40: D38– D42. 22110025 PMC3244990
  14. Lamesch P. Berardini T.Z. Li D. Swarbreck D. Wilks C. Sasidharan R. (2012) The Arabidopsis Information Resource (TAIR): improved gene annotation and new tools. Nucleic Acids Res. 40: D1202– D1210. 22140109 PMC3245047
  15. Langmead B. Salzberg S.L. (2012) Fast gapped-read alignment with Bowtie 2. Nat. Methods 9: 357– 359. 22388286 PMC3322381
  16. Lopes C.T. Franz M. Kazi F. Donaldson S.L. Morris Q. Bader G.D. (2010) Cytoscape web: an interactive web-based network browser. Bioinformatics 26: 2347– 2348. 20656902 PMC2935447
  17. Matsuzaki M. Misumi O. Shin-I T. Maruyama S. Takahara M. Miyagishima S.-Y. (2004) Genome sequence of the ultrasmall unicellular red alga Cyanidioschyzon merolae 10D. Nature 428: 653– 657. 15071595
  18. McClish D.K. (1989) Analyzing a portion of the ROC curve. Med. Decis. Making 9: 190– 195. 2668680
  19. Merchant S.S. Prochnik S.E. Vallon O. Harris E.H. Karpowicz J. Witman G.B. (2007) The Chlamydomonas genome reveals the evolution of key animal and plant functions. Science 318: 245– 251. 17932292 PMC2875087
  20. Mi H. Muruganujan A. Thomas P.D. (2013) PANTHER in 2013: modeling the evolution of gene function, and other gene attributes, in the context of phylogenetic trees. Nucleic Acids Res. 41: D377– D386. 23193289 PMC3531194
  21. Mochizuki N. Tanaka R. Grimm B. Masuda T. Moulin M. Smith A.G. (2010) The cell biology of tetrapyrroles: a life and death struggle. Trends Plant Sci. 15: 488– 498. 20598625
  22. Mortazavi A. Williams B.A. McCue K. Schaeffer L. Wold B. (2008) Mapping and quantifying mammalian transcriptomes by RNA-Seq. Nat. Methods 5: 621– 628. 18516045 PMC13303166
  23. Obayashi T. Kinoshita K. (2009) Rank of correlation coefficient as a comparable measure for biological significance of gene coexpression. DNA Res. 16: 249– 260. 19767600 PMC2762411
  24. Obayashi T. Okamura Y. Ito S. Tadaka S. Aoki Y. Shirota M. Kinoshita K. (2014) ATTED-II in 2014: evaluation of gene coexpression in agriculturally important plants. Plant Cell Physiol. 55: e6(1– 7). 24334350 PMC3894708
  25. Ohyanagi H. Takano T. Terashima S. Kobayashi M. Kanno M. Morimoto K. (2014) Plant Omics Data Center: an integrated web repository for interspecies gene expression networks with NLP-based curation. Plant Cell Physiol. 56: e9(1– 8). 25505034 PMC4301748
  26. Okamura Y. Aoki Y. Obayashi T. Tadaka S. Ito S. Narise T. Kinoshita K. (2015) COXPRESdb in 2015: coexpression database for animal species by DNA-microarray and RNAseq-based expression data with multiple quality assessment systems. Nucleic Acids Res. 43: D82– D86. 25392420 PMC4383961
  27. Popper Z.A. Michel G. Hervé C. Domozych D.S. Willats W.G.T. Tuohy M.G. (2011) Evolution and diversity of plant cell walls: from algae to flowering plants. Annu. Rev. Plant Biol. 62: 567– 590. 21351878
  28. Schmid H.C. Rassadina V. Oster U. Schoch S. Rüdiger W. (2002) Pre-loading of chlorophyll synthase with tetraprenyl diphosphate is an obligatory step in chlorophyll biosynthesis. Biol. Chem. 383: 1769– 1778. 12530542
  29. Stenbaek A. Jensen P.E. (2010) Redox regulation of chlorophyll biosynthesis. Phytochemistry 71: 853– 859. 20417532
  30. Sun J. Nishiyama T. Shimizu K. Kadota K. (2013) TCC: an R package for comparing tag count data with robust normalization strategies. BMC Bioinformatics 14: 219. 23837715 PMC3716788
  31. Tatusov R.L. Fedorova N.D. Jackson J.D. Jacobs A.R. Kiryutin B. Koonin E.V. (2003) The COG database: an updated version includes eukaryotes. BMC Bioinformatics 4: 41. 12969510 PMC222959
  32. Tatusov R.L. Koonin E.V. Lipman D.J. (1997) A genomic perspective on protein families. Science 278: 631– 637. 9381173
  33. Ujiwara T.F. Isumi O.M. Ashiro K.T. Oshida Y.Y. Ishida K.N. Agisawa F.Y. (2009) Periodic gene expression patterns during the highly synchronized cell nucleus and organelle division cycles in the unicellular red alga Cyanidioschyzon merolae. DNA Res. 16: 59– 72. 19147531 PMC2646357
  34. Usadel B. Obayashi T. Mutwil M. Giorgi F.M. Bassel G.W. Tanimoto M. (2009) Co-expression tools for plant biology: opportunities for hypothesis generation and caveats. Plant Cell Environ. 32: 1633– 1651. 19712066
  35. Van Dam S. Craig T. de Magalhaes J.P. (2014) GeneFriends: a human RNA-seq-based gene and transcript co-expression database. Nucleic Acids Res. 43: D1124– D1132. 25361971 PMC4383890
  36. Wijffels R.H. Barbosa M.J. (2010) An outlook on microalgal biofuels. Science 329: 796– 799. 20705853

Cited by

Sorted by citations

Authors
Aoki, Y., Okamura, Y., Ohta, H., Kinoshita, K., & Obayashi, T.
Affiliations
  • Tohoku University (JP)
  • Tokyo Institute of Technology (JP)
Corresponding author
Obayashi, Takeshi
Venue
Plant and Cell Physiology
Published
2015-12-07
Volume
57
Issue
1
Pages
e3-e3
ISSN
  • 0032-0781 (ISSN-L)
  • 1471-9053
OpenAlex
W2190741296
Cited by
43
References
3
Citations by year
2026: 1 · 2025: 2 · 2024: 6 · 2023: 2 · 2022: 3 · 2021: 9 · 2020: 7 · 2019: 4 · 2018: 2 · 2017: 4 · 2016: 3
FWCI
0.89
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Plant and Cell Physiology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
  • Tokyo Tech Research Repository (Tokyo Institute of Technology) (submittedVersion)
Funders
  • Japan Science and Technology Corporation (CREST)
  • Japan Society for the Promotion of Science (15K18464, 15K20863, 24114001, 24114005)
  • Core Research for Evolutional Science and Technology
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
gene co-expression, microalgae, Chlamydomonas reinhardtii, Cyanidioschyzon merolae, gene co-expression network, gene function prediction, differentially expressed genes, gene expression patterns, lipid metabolism, organelle development, biofuels
MeSH terms
Rhodophyta, User-Computer Interface, Chlamydomonas reinhardtii, Databases, Genetic, Lipid Metabolism, Gene Regulatory Networks, Microalgae, Transcriptome

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review