Skip to main content
Advertisement

Main menu

  • Home
  • Articles
    • Accepted manuscripts
    • Issue in progress
    • Latest complete issue
    • Issue archive
    • Archive by article type
    • Special issues
    • Subject collections
    • Sign up for alerts
  • About us
    • About Development
    • About the Node
    • Editors and Board
    • Editor biographies
    • Travelling Fellowships
    • Grants and funding
    • Journal Meetings
    • Workshops
    • The Company of Biologists
    • Journal news
  • For authors
    • Submit a manuscript
    • Aims and scope
    • Presubmission enquiries
    • Article types
    • Manuscript preparation
    • Cover suggestions
    • Editorial process
    • Promoting your paper
    • Open Access
    • Biology Open transfer
  • Journal info
    • Journal policies
    • Rights and permissions
    • Media policies
    • Reviewer guide
    • Sign up for alerts
  • Contacts
    • Contacts
    • Subscriptions
    • Advertising
    • Feedback
    • For library administrators
  • COB
    • About The Company of Biologists
    • Development
    • Journal of Cell Science
    • Journal of Experimental Biology
    • Disease Models & Mechanisms
    • Biology Open

User menu

  • Log in
  • Log out

Search

  • Advanced search
Development
  • COB
    • About The Company of Biologists
    • Development
    • Journal of Cell Science
    • Journal of Experimental Biology
    • Disease Models & Mechanisms
    • Biology Open

supporting biologistsinspiring biology

Development

  • Log in
Advanced search

RSS  Twitter  Facebook  YouTube 

  • Home
  • Articles
    • Accepted manuscripts
    • Issue in progress
    • Latest complete issue
    • Issue archive
    • Archive by article type
    • Special issues
    • Subject collections
    • Sign up for alerts
  • About us
    • About Development
    • About the Node
    • Editors and Board
    • Editor biographies
    • Travelling Fellowships
    • Grants and funding
    • Journal Meetings
    • Workshops
    • The Company of Biologists
    • Journal news
  • For authors
    • Submit a manuscript
    • Aims and scope
    • Presubmission enquiries
    • Article types
    • Manuscript preparation
    • Cover suggestions
    • Editorial process
    • Promoting your paper
    • Open Access
    • Biology Open transfer
  • Journal info
    • Journal policies
    • Rights and permissions
    • Media policies
    • Reviewer guide
    • Sign up for alerts
  • Contacts
    • Contacts
    • Subscriptions
    • Advertising
    • Feedback
    • For library administrators
JOURNAL ARTICLES
Transplacental delivery of the Wnt antagonist Frzb1 inhibits development of caudal paraxial mesoderm and skeletal myogenesis in mouse embryos
U. Borello, M. Coletta, S. Tajbakhsh, L. Leyns, E.M. De Robertis, M. Buckingham, G. Cossu
Development 1999 126: 4247-4255;
U. Borello
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
M. Coletta
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
S. Tajbakhsh
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
L. Leyns
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
E.M. De Robertis
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
M. Buckingham
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
G. Cossu
  • Find this author on Google Scholar
  • Find this author on PubMed
  • Search for this author on this site
  • Article
  • Info & metrics
  • PDF
Loading

Summary

Axial structures (neural tube/notochord) and surface ectoderm activate myogenesis in the mouse embryo; their action can be reproduced, at least in part, by several molecules such as Sonic hedgehog and Wnts. Recently, soluble Wnt antagonists have been identified. Among those examined only Frzb1 was found to be expressed in the presomitic mesoderm and newly formed somites and thus its possible role in regulating myogenesis was investigated in detail. When presomitic mesoderm or newly formed somites were cultured with axial structures and surface ectoderm on a feeder layer of C3H10T1/2 cells expressing Frzb1, myogenesis was abolished or severely reduced in presomitic mesoderm and the three most recently formed somites. In contrast, no effect was observed on more mature somites. Inhibition of myogenesis did not appear to be associated with increased cell death since the final number of cells in the explants grown in the presence of Frzb1 was only slightly reduced in comparison with controls. In order to examine the possible function of Frzb1 in vivo, we developed a method based on the overexpression of the soluble antagonist by transient transfection of WOP cells with a Frzb1 expression vector and injection of transfected cells into the placenta of pregnant females before the onset of maternofoetal circulation. Frzb1, secreted by WOP cells, accumulated in the embryo and caused a marked reduction in size of caudal structures. Myogenesis was strongly reduced and, in the most severe cases, abolished. This was not due to a generalized toxic effect since only several genes downstream of the Wnt signaling pathway such as En1, Noggin and Myf5 were downregulated; in contrast, Pax3 and Mox1 expression levels were not affected even in embryos exhibiting the most severe phenotypes. Taken together, these results suggest that Wnt signals may act by regulating both myogenic commitment and expansion of committed cells in the mouse mesoderm.

Reference

    1. Acampora D.,
    2. Avantaggiato V.,
    3. Tuorto F.,
    4. Briata P.,
    5. Corte G.,
    6. Simeone A.
    (1998) Visceral endoderm-restricted translation of Otx1 mediates recovery of Otx2 requirements for specification of anterior neural plate and normal gastrulation. Development 125, 5091–5104
    OpenUrlAbstract
    1. Bhanot P.,
    2. Brink M.,
    3. Samos C. H.,
    4. Hsieh J. C.,
    5. Wang Y.,
    6. Macke J. P.,
    7. Andrew D.,
    8. Nathans J.,
    9. Nusse R.
    (1996) A new memberof the frizzled family from Drosophila function as a Wingless receptor. Nature 382, 225–230
    OpenUrlCrossRefPubMed
    1. Borycki A. G.,
    2. Mendham L.,
    3. Emerson C. P. Jr
    (1998) Control of somite patterning by Sonic hedgehog and its downstream signal response genes. Development 125, 777–790
    OpenUrlAbstract
    1. Borycki A. G.,
    2. Brunk B.,
    3. Tajbakhsh S.,
    4. Buckingham M.,
    5. Emerson C. P. Jr
    (1999) Sonic hedgehog controls epaxial muscle determination through Myf5 activation. Development 126, 4053–4063
    OpenUrlAbstract
    1. Boussif O.,
    2. Lezoualc'h F.,
    3. Zanta M. A.,
    4. Mergny M. D.,
    5. Scherman D.,
    6. Demeneix B.,
    7. Behr J. P.
    (1995) A versatile vector for gene and oligonucleotide transfer into cells in culture and in vivo: polyethylenimine. Proc. Natl. Acad. Sci. USA 92, 7297–7301
    OpenUrlAbstract/FREE Full Text
    1. Candia A. F.,
    2. Hu J.,
    3. Crosby J.,
    4. Lalley P. A.,
    5. Noden D.,
    6. Nadeau J. H.,
    7. Wright C. V.
    (1992) Mox-1 and Mox-2 define a novel homeobox gene subfamily and are differentially expressed during early mesodermal patterning in mouse embryos. Development 116, 1123–1136
    OpenUrlAbstract/FREE Full Text
    1. Capdevila J.,
    2. Tabin C.,
    3. Johnson R. L.
    (1998) Control of dorsoventral somite patterning by Wnt-1 and beta-catenin. Dev. Biol 193, 182–194
    OpenUrlCrossRefPubMedWeb of Science
    1. Christian J. L.,
    2. Moon R. T.
    (1993) Interactions between Xwnt-8 and Spemann organizer signaling pathways generate dorsoventral pattern in the embryonic mesoderm of Xenopus. Genes Dev 7, 13–28
    OpenUrlAbstract/FREE Full Text
    1. Cossu G.,
    2. Kelly R.,
    3. Di Donna S.,
    4. Vivarelli E.,
    5. Buckingham M.
    (1995) Myoblast differentiation during mammalian somitogenesis is dependent upon a community effect. Proc. Natl. Acad. Sci. USA 92, 2254–2258
    OpenUrlAbstract/FREE Full Text
    1. Cossu G.,
    2. Kelly R.,
    3. Tajbakhsh S.,
    4. Di Donna S.,
    5. Vivarelli E.,
    6. Buckingham M.
    (1996) Activation of different myogenic pathways: Myf-5 is induced by the neural tube and MyoD by the dorsal ectoderm in mouse paraxial mesoderm. Development 122, 429–437
    OpenUrlAbstract
    1. Dailey L.,
    2. Basilico C.
    (1985) Sequences in the polyomavirus DNA regulatory region involved in viral DNA replication and early gene expression. J. Virol 54, 739–749
    OpenUrlAbstract/FREE Full Text
    1. Fan C. M.,
    2. Tessier-Lavigne M.
    (1994) Patterning of mammalian somites by surface ectoderm and notochord: evidence for sclerotome induction by a hedgehog homolog. Cell 79, 1175–1186
    OpenUrlCrossRefPubMedWeb of Science
    1. Fleischman R. A.,
    2. Mintz B.
    (1979) Prevention of genetic anemias in mice by microinjection of normal hematopoietic stem cells into the fetal placenta. Proc. Natl. Acad. Sci. USA 76, 5736–5740
    OpenUrlAbstract/FREE Full Text
    1. Goulding M. D.,
    2. Chalepakis G.,
    3. Deutsch U.,
    4. Erselius J. R.,
    5. Gruss P.
    (1991) Pax-3, a novel murine DNA binding protein expressed during early neurogenesis. EMBO J 10, 1135–1147
    OpenUrlPubMedWeb of Science
    1. Graham A.,
    2. Heyman I.,
    3. Lumsden A.
    (1993) Even-numbered rhombomeres control the apoptotic elimination of neural crest cells from odd-numbered rhombomeres in the chick hindbrain. Development 119, 233–245
    OpenUrlAbstract
    1. Hirsinger E.,
    2. Duprez D.,
    3. Jouve C.,
    4. Malapert P.,
    5. Cooke J.,
    6. Pourquie O.
    (1997) Noggin acts downstream of Wnt and Sonic Hedgehog to antagonize BMP4 in avian somite patterning. Development 124, 4605–4614
    OpenUrlAbstract
    1. Hoang B. H.,
    2. Thomas J. T.,
    3. Abdul-Karim F. W.,
    4. Correia K. M.,
    5. Conlon R. A.,
    6. Luyten F. P.,
    7. Ballock R. T.
    (1998) Expression pattern of two Frizzled-related genes, Frzb1 and Sfrp-1, during mouse embryogenesis suggests a role for modulating action of Wnt family members. Dev. Dyn 212, 364–372
    OpenUrlCrossRefPubMed
    1. Hoppler S.,
    2. Brown J. D.,
    3. Moon R. T.
    (1996) Expression of a dominant negative Wnt blocks induction of MyoD in Xenopus embryos. Genes Dev 10, 2805–2817
    OpenUrlAbstract/FREE Full Text
    1. Houzelstein D.,
    2. Tajbakhsh S.
    (1998) Increased in situ hybridisation sensitivity using non-radioactive probes after staining for-galactosidase activity. Technical Tips online T01600
    1. Ikeya M.,
    2. Lee S. M.,
    3. Johnson J. E.,
    4. McMahon A. P.,
    5. Takada S.
    (1997). Wnt signalling required for expansion of neural crest and CNS progenitors. Nature 389, 966–970
    OpenUrlAbstract
    1. Ikeya M.,
    2. Takada S.
    (1998) Wnt signaling from the dorsal neural tube is required for the formation of the mediam dermomyotome. Development 125, 4969–4976
    OpenUrlAbstract
    1. Jones C. M.,
    2. Lyons K. M.,
    3. Hogan B. L.
    (1991) Involvement of Bone Morphogenetic Protein-4 (BMP-4) and Vgr-1 in morphogenesis and neurogenesis in the mouse. Development 111, 531–542
    OpenUrlPubMedWeb of Science
    1. Koishi K.,
    2. Zhang M.,
    3. McLennan I. S.,
    4. Harris A. J.
    (1995) MyoD protein accumulates in satellite cells and is neurally regulated in regenerating myotubes and skeletal muscle fibers. Dev. Dyn 202, 244–254
    OpenUrlCrossRefPubMedWeb of Science
    1. Labarca C.,
    2. Paigen K.
    (1980) A simple, rapid and sensitive DNA assay procedure. Anal. Biochem 102, 344–352
    OpenUrlCrossRefPubMedWeb of Science
    1. Leimeister C.,
    2. Bach A.,
    3. Gessler M.
    (1998) Developmental expression patterns of mouse sFRP genes encoding members of the secreted frizzled related protein family. Mech. Dev 75, 29–42
    OpenUrlCrossRefPubMedWeb of Science
    1. Leyns L.,
    2. Bouwmeester T.,
    3. Kim S. H.,
    4. Piccolo S.,
    5. De Robertis E. M.
    (1997) Frzb1 is a secreted antagonist of Wnt signaling expressed in the Spemann organizer. Cell 88, 747–756
    OpenUrlCrossRefPubMedWeb of Science
    1. Liu A.,
    2. Joiner A. L.,
    3. Turnbull D. H.
    (1998) Alteration of limb and brain patterning in early mouse embryos by ultrasound-guided injection of Shh-expressing cells. Mech. Dev 75, 107–115
    OpenUrlAbstract
    1. Marcelle C.,
    2. Stark M. R.,
    3. Bronner-Fraser M.
    (1997) Coordinate actions of BMPs, Wnts, Shh and noggin mediate patterning of the dorsal somite. Development 124, 3955–3963
    OpenUrlCrossRefPubMedWeb of Science
    1. Maroto M.,
    2. Reshef R.,
    3. Munsterberg A. E.,
    4. Koester S.,
    5. Goulding M.,
    6. Lassar A. B.
    (1997) Ectopic Pax-3 activates MyoD and Myf-5 expression in embryonic mesoderm and neural tissue. Cell 89, 139–148
    OpenUrlCrossRefPubMedWeb of Science
    1. Mayr T.,
    2. Deutsch U.,
    3. Kuhl M.,
    4. Drexler H. C.,
    5. Lottspeich F.,
    6. Deutzmann R.,
    7. Wedlich D.,
    8. Risau W.
    (1997) Fritz: a secreted frizzled-related protein that inhibits Wnt activity. Mech. Dev 63, 109–125
    OpenUrlAbstract/FREE Full Text
    1. McMahon J. A.,
    2. Takada S.,
    3. Zimmerman L. B.,
    4. Fan C. M.,
    5. Harland R. M.,
    6. McMahon A. P.
    (1998) Noggin-mediated antagonism of BMP signaling is required for growth and patterning of the neural tube and somite. Genes Dev 12, 1438–1452
    OpenUrlAbstract/FREE Full Text
    1. Melkonyan H. S.,
    2. Chang W. C.,
    3. Shapiro J. P.,
    4. Mahadevappa M.,
    5. Fitzpatrick P. A.,
    6. Kiefer M. C.,
    7. Tomei L. D.,
    8. Umansky S. R.
    (1997) SARPs: a family of secreted apoptosis-related proteins. Proc. Natl. Acad. Sci. USA 94, 13636–13641
    OpenUrlAbstract/FREE Full Text
    1. Munsterberg A. E.,
    2. Kitajewski J.,
    3. Bumcrot D. A.,
    4. McMahon A. P.,
    5. Lassar A. B.
    (1995) Combinatorial signaling by sonic hedgehog and Wnt family members induces myogenic bHLH gene expression in the somite. Genes Dev 9, 2911–2922
    OpenUrlCrossRefPubMedWeb of Science
    1. Pourquie O.,
    2. Fan C. M.,
    3. Coltey M.,
    4. Hirsinger E.,
    5. Watanabe Y.,
    6. Breant C.,
    7. Francis-West P.,
    8. Brickell P.,
    9. Tessier-Lavigne M.,
    10. Le Douarin N. M.
    (1996) Lateral and axial signals involved in avian somite patterning: a role for BMP4. Cell 84, 461–471
    OpenUrlAbstract/FREE Full Text
    1. Salvatori G.,
    2. Lattanzi L.,
    3. Coletta M.,
    4. Aguanno S.,
    5. Vivarelli E.,
    6. Kelly R.,
    7. Ferrari G.,
    8. Harris A. J.,
    9. Mavilio F.,
    10. Molinaro M.,
    11. Cossu G.
    (1995) Myogenic conversion of mammalian fibroblasts induced by differentiating muscle cells. J. Cell Sci 108, 2733–2739
    OpenUrlCrossRefPubMed
    1. Schmidt C.,
    2. Christ B.,
    3. Patel K.,
    4. Brand-Saberi B.
    (1998) Experimental induction of BMP-4 expression leads to apoptosis in the paraxial and lateral plate mesoderm. Dev. Biol 202, 253–263
    OpenUrlCrossRefPubMedWeb of Science
    1. Sokol S. Y.
    (1996) Analysis of Dishevelled signaling pathways during Xenopus development. Curr. Biol 6, 1456–1467
    OpenUrlAbstract
    1. Stern H. M.,
    2. Brown A. M.,
    3. Hauschka S. D.
    (1995) Myogenesis in paraxial mesoderm: preferential induction by dorsal neural tube and by cells expressing Wnt-1. Development 121, 3675–3686
    OpenUrlCrossRefPubMedWeb of Science
    1. Tajbakhsh S.,
    2. Vivarelli E.,
    3. Cusella-De Angelis G.,
    4. Rocancourt D.,
    5. Buckingham M.,
    6. Cossu G.
    (1994) A population of myogenic cells derived from the mouse neural tube. Neuron 13, 813–821
    OpenUrlCrossRefPubMedWeb of Science
    1. Tajbakhsh S.,
    2. Rocancourt D.,
    3. Buckingham M.
    (1996) Muscleprogenitor cells failing to respond to positional cues adopt non-myogenic fates in Myf-5 null mice. Nature 384, 266–270
    OpenUrlCrossRefPubMedWeb of Science
    1. Tajbakhsh S.,
    2. Rocancourt D.,
    3. Cossu G.,
    4. Buckingham M.
    (1997) Redefining the genetic hierarchies controlling skeletal myogenesis: Pax3 and Myf-5 act upstream of MyoD. Cell 89, 127–138
    OpenUrlAbstract
    1. Tajbakhsh S.,
    2. Borello U.,
    3. Vivarelli E.,
    4. Kelly R.,
    5. Papkoff J.,
    6. Duprez D.,
    7. Buckingham M.,
    8. Cossu G.
    (1998) Differential activation of Myf5 and MyoD by different Wnts in explants of mouse paraxial mesoderm and the later activation of myogenesis in the absence of Myf5. Development 125, 4155–4162
    OpenUrlAbstract/FREE Full Text
    1. Takada S.,
    2. Stark K. L.,
    3. Shea M. J.,
    4. Vassileva G.,
    5. McMahon J. A.,
    6. McMahon A. P.
    (1994) Wnt-3a regulates somite and tailbud formation in the mouse embryo. Genes Dev 8, 174–189
    OpenUrlCrossRefPubMedWeb of Science
    1. Wang S.,
    2. Krinks M.,
    3. Lin K.,
    4. Luyten F. P.,
    5. Moos M. Jr
    (1997) Frzb, a secreted protein expressed in the Spemann organizer, binds and inhibits Wnt-8. Cell 88, 757–766
    OpenUrlCrossRefPubMedWeb of Science
    1. Wodarz A.,
    2. Nusse R.
    (1998) Mechanisms of Wnt signaling in development. Ann. Rev. Cell. Dev. Biol 14, 59–88
    OpenUrlAbstract
    1. Yamaguchi T. P.,
    2. Bradley A.,
    3. McMahon A. P.,
    4. Jones S.
    (1999) A Wnt5a pathway underlies outgrowth of multiple structures in the vertebrate embryo. Development 126, 1211–1223
    OpenUrlCrossRefPubMedWeb of Science
    1. Zimmerman L. B.,
    2. De Jesus-Escobar J. M.,
    3. Harland R. M.
    (1996) The Spemann organizer signal noggin binds and inactivates bone morphogenetic protein 4. Cell 86, 599–606
Previous ArticleNext Article
Back to top
Previous ArticleNext Article

This Issue

 Download PDF

Email

Thank you for your interest in spreading the word on Development.

NOTE: We only request your email address so that the person you are recommending the page to knows that you wanted them to see it, and that it is not junk mail. We do not capture any email address.

Enter multiple addresses on separate lines or separate them with commas.
Transplacental delivery of the Wnt antagonist Frzb1 inhibits development of caudal paraxial mesoderm and skeletal myogenesis in mouse embryos
(Your Name) has sent you a message from Development
(Your Name) thought you would like to see the Development web site.
CAPTCHA
This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.
Share
JOURNAL ARTICLES
Transplacental delivery of the Wnt antagonist Frzb1 inhibits development of caudal paraxial mesoderm and skeletal myogenesis in mouse embryos
U. Borello, M. Coletta, S. Tajbakhsh, L. Leyns, E.M. De Robertis, M. Buckingham, G. Cossu
Development 1999 126: 4247-4255;
del.icio.us logo Digg logo Reddit logo Twitter logo CiteULike logo Facebook logo Google logo Mendeley logo
Citation Tools
JOURNAL ARTICLES
Transplacental delivery of the Wnt antagonist Frzb1 inhibits development of caudal paraxial mesoderm and skeletal myogenesis in mouse embryos
U. Borello, M. Coletta, S. Tajbakhsh, L. Leyns, E.M. De Robertis, M. Buckingham, G. Cossu
Development 1999 126: 4247-4255;

Citation Manager Formats

  • BibTeX
  • Bookends
  • EasyBib
  • EndNote (tagged)
  • EndNote 8 (xml)
  • Medlars
  • Mendeley
  • Papers
  • RefWorks Tagged
  • Ref Manager
  • RIS
  • Zotero
Alerts

Please log in to add an alert for this article.

Sign in to email alerts with your email address

Article navigation

  • Top
  • Article
  • Info & metrics
  • PDF

Related articles

Cited by...

More in this TOC section

  • Germline and developmental roles of the nuclear transport factor importin (α)3 in C. elegans
  • Monofocal origin of telencephalic oligodendrocytes in the anterior entopeduncular area of the chick embryo
  • Genetic dissection of nodal function in patterning the mouse embryo
Show more JOURNAL ARTICLES

Similar articles

Other journals from The Company of Biologists

Journal of Cell Science

Journal of Experimental Biology

Disease Models & Mechanisms

Biology Open

Advertisement

The Node is looking for a new Community Manager!

If you're interested in science communication, publishing and the developmental biology community, we're hiring for a new Community Manager for our community site, the Node.

The position is an exciting opportunity to develop an already successful and well-known site, engaging with the academic, publishing and online communities. Find out more and how to apply.


Upcoming special issue: call for papers

The Immune System in Development and Regeneration
Guest editors: Florent Ginhoux and Paul Martin
Submission deadline: 1 September 2021
Publication: Spring 2022

The special issue welcomes Review articles as well as Research articles, and will be widely promoted online and at key global conferences.


The people behind the papers - Clément Dubois, Shivam Gupta, Andrew Mugler and Marie-Anne Félix

A new paper investigates the robustness of neuroblast migration in the C. elegans larva in the face of both genetic and environmental variation. In an interview, the paper's four authors tell us more about the story.


Development presents...

Our successful webinar series continues into 2021, with early-career researchers presenting their papers and a chance to virtually network with the developmental biology community afterwards. Every talk is recorded and since launching in August last year, the series has clocked up almost 10k views on YouTube.

Here, Swann Floc'hlay discusses her work modelling dorsal-ventral axis specification in the sea urchin embryo.

Save your spot at our next session:

14 April
Time: 17:00 BST
Chaired by: François Guillemot

12 May
Time: TBC
Chaired by: Paola Arlotta

Join our mailing list to receive news and updates on the series.

Articles

  • Accepted manuscripts
  • Issue in progress
  • Latest complete issue
  • Issue archive
  • Archive by article type
  • Special issues
  • Subject collections
  • Sign up for alerts

About us

  • About Development
  • About the Node
  • Editors and board
  • Editor biographies
  • Travelling Fellowships
  • Grants and funding
  • Journal Meetings
  • Workshops
  • The Company of Biologists

For authors

  • Submit a manuscript
  • Aims and scope
  • Presubmission enquiries
  • Article types
  • Manuscript preparation
  • Cover suggestions
  • Editorial process
  • Promoting your paper
  • Open Access
  • Biology Open transfer

Journal info

  • Journal policies
  • Rights and permissions
  • Media policies
  • Reviewer guide
  • Sign up for alerts

Contact

  • Contact Development
  • Subscriptions
  • Advertising
  • Feedback
  • Institutional usage stats (logged-in users only)

 Twitter   YouTube   LinkedIn

© 2021   The Company of Biologists Ltd   Registered Charity 277992