Abe, M., H. Takahashi, and R. Kuroda. 2014. Spiral cleavages determine the left-right body plan by regulating Nodal pathway in monomorphic gastropods, Physa acuta. Int. J. Dev. Biol. 58: 513–520.
PubMed Link

Bhatia, N. and M. G. Heisler. 2018. Self-organizing periodicity in development: Organ positioning in plants. Development 145: dev149336.
PubMed Link

Bhatia, N., B. Bozorg, A. Larsson, C. Ohno, H. Jönsson and M. G. Heisler. 2016. Auxin acts through MONOPTEROS to regulate plant cell polarity and pattern phyllotaxis. Curr. Biol. 26: 3202−3208.
PubMed Link

Bidhendi, A. J. and A. Geitmann. 2016. Relating the mechanics of the primary plant cell wall to morphogenesis. J. Exp. Bot. 67: 449−461.
PubMed Link

Borowiec, M. L., E. K. Lee, J. C. Chiu and D. C. Plachetzki. 2015. Extracting phylogenetic signal and accounting for bias in whole-genome data sets supports the Ctenophora as sister to remaining Metazoa. BMC Genomics 16: 987.
PubMed Link

Bourlat, S. J. and 13 others. 2006. Deuterostome phylogeny reveals monophyletic chordates and the new phylum Xenoturbellida. Nature 444: 85–88.
PubMed Link

Bowerman, B., B. A. Eaton and J. R. Priess. 1992a. skn-1, a maternally expressed gene required to specify the fate of ventral blastomeres in the early C. elegans embryo. Cell 68: 1061–1075.
PubMed Link

Bowerman, B., F. E. Tax, J. H. Thomas and J. R. Priess. 1992b. Cell interactions involved in the development of the bilaterally symmetrical intestinal valve cells during embryogenesis of Caenorhabditis elegans. Development 116: 1113–1122.
PubMed Link

Bowerman, B., B. W. Draper, C. C. Mello and J. R. Priess. 1993. The maternal gene skn-1 encodes a protein that is distributed unequally in early C. elegans embryos. Cell 74: 443–452.
PubMed Link

Boyer, B. C., J. Q. Henry and M. Q. Martindale. 1996. Dual origins of mesoderm in a basal spiralian: cell lineage analyses in the polyclad turbellarian Hoploplana inquilina. Dev. Biol. 179: 329–338.
PubMed Link

Brenner, S. 1974. The genetics of Caenorhabditis elegans. Genetics 77: 71–94.
PubMed Link

Broitman-Maduro, G., K. T. Lin, W. W. Hung and M. F. Maduro. 2006. Specification of the C. elegans MS blastomere by the T-Box factor TBX-35. Development 133: 3097–3106.
PubMed Link

C. elegans Sequencing Consortium. 1999. Genome sequence of the nematode C. elegans: A platform for investigating biology. Science 282: 2012–2018.
PubMed Link

Cather, J. N. 1967. Cellular interactions in the development of the shell gland of the gastropod Ilyanassa. J. Exp. Zool. 166: 205–224.
PubMed Link

Chan, X. Y. and J. D. Lambert. 2014. Development of blastomere clones in the Ilyanassa embryo: Transformation of the spiralian blastula into the larval body plan. Dev. Genes Evol. 224: 159–174.
PubMed Link

Clement, A. C. 1962. Development of Ilyanassa following removal of the D micromere at successive cleavage stages. J. Exp. Zool. 149: 193–215.

Clement, A. C. 1967. The embryonic value of the micromeres in Ilyanassa obsoleta, as determined by deletion experiments. I. The first quartet cells. J. Exp. Zool. 166: 77–88.

Clement, A. C. 1986. The embryonic value of the micromeres in Ilyanassa obsoleta, as determined by deletion experiments. III. The third quartet cells and the mesentoblast cell, 4d. Int. J. Invert. Reprod. Dev. 9: 155–168.

Collier, J. R. 1997. Gastropods, the snails. In S. F. Gilbert and A. Raunio (eds.), Embryology: Constructing the Organism. Sinauer Associates, Sunderland, MA, pp. 189–218.

Craig, M. M. and J. B. Morrill. 1986. Cellular arrangements and surface topography during early development in embryos of Ilyanassa obsoleta. Int. J. Invert. Reprod. Dev. 9: 209–228.

Crampton, H. E. 1894. Reversal of cleavage in a sinistral gastropod. Ann. N.Y. Acad. Sci. 8: 167–170.

Davison, A. and 15 others. 2016. Formin is associated with left-right asymmetry in the pond snail and frog. Curr. Biol. 26: 654–660.
PubMed Link

Denes, A.S. and 8 others. 2007. Molecular architecture of annelid nerve cord supports common origin of nervous system centralization in bilaterian. Cell 129: 277–288.
PubMed Link

Dickinson, D. J. and B. Goldstein. 2016. CRISPR-based methods for Caenorhabditis elegans genome engineering. Genetics 202: 885–901.

Evans, T. C., S. L. Crittenden, V. Kodoyianni and J. Kimble. 1994. Translational control of maternal glp-1 mRNA establishes an asymmetry in the C. elegans embryo. Cell 77: 183–194.
PubMed Link

Flusser, V. 2011. Vampyroteuthis infernalis (Tr. R. Maltez Novaes). Atropos Press, New York.

Freeman, G. and J. W. Lundelius. 1982. The developmental genetics of dextrality and sinistrality in the gastropod Limnea peregra. Wilhelm Roux Arch. Dev. Biol. 191: 69–83.

Gan, W. J. and F. Motegi. 2021. Mechanochemical control of symmetry breaking in the Caenorhabditis elegans zygote. Front. Cell Dev. Biol. 8:619869.
PubMed Link

Gharbiah, M., A. Nakamoto, A. B. Johnson, J. D. Lambert and L. M. Nagy. 2014. Ilyanassa Notch signaling implicated in dynamic signaling between all three germ layers. Int. J. Dev. Biol. 58: 551–562.
PubMed Link

Goehring, N. W., P. K. Trong, J. S. Bois, D. Chowdhury, E. M. Nicola, A. A. Hyman and S. W. Grill. 2011. Polarization of PAR proteins by advective triggering of a pattern-forming system. Science 334: 1137–1141.
PubMed Link

Goldshmidt, A., J. P. Alvarez, J. L. Bowman and Y. Eshed. 2008. Signals derived from YABBY gene activities in organ primordia regulate growth and partitioning of Arabidopsis shoot apical meristems. Plant Cell 20: 1217−1230.
PubMed Link

Goldstein, B. 1993. Establishment of gut fate in the E lineage of C. elegans: The roles of lineage-dependent mechanisms and cell interactions. Development 118: 1267−1277.
PubMed Link

Goldstein, B. 1995. An analysis of the response to gut induction in the C. elegans embryo. Development 121: 1227−1236.
PubMed Link

Goldstein, B. and I. G. Macara. 2007. The PAR proteins: Fundamental players in animal cell polarization. Dev. Cell. 13: 609–622.
PubMed Link

Goldstein, B. and S. N. Hird. 1996. Specification of the anteroposterior axis in Caenorhabditis elegans. Development 122: 1467–1474.
PubMed Link

Goulding, M. Q. 2009. Cell lineage of the Ilyanassa embryo: Evolutionary acceleration of regional differentiation during early development. PLOS ONE 4: e5506.
PubMed Link

Grande, C. and N. H. Patel. 2009. Nodal signalling is involved in left-right asymmetry in snails. Nature 457: 1007–1011.
PubMed Link

Harrell, J. R. and B. Goldstein. 2011. Internalization of multiple cells during C. elegans gastrulation depends on common cytoskeletal mechanisms but different cell polarity and cell fate regulators. Dev. Biol. 350: 1−12.
PubMed Link

Heisler, M. G., C. Ohno, P. Das, P. Sieber, G. V. Reddy, J. A. Long and E. M. Meyerowitz. 2005. Patterns of auxin transport and gene expression during primordium development revealed by live imaging of the Arabidopsis inflorescence meristem. Curr. Biol. 15: 1899–1911.
PubMed Link

Heisler, M. G. and 7 others. 2010. Alignment between PIN1 polarity and microtubule orientation in the shoot apical meristem reveals a tight coupling between morphogenesis and auxin transport. PLOS Biol. 8: e1000516.
PubMed Link

Hejnol, A. 2010. A twist in time: The evolution of spiral cleavage in the light of animal phylogeny. Integr. Comp. Biol. 50: 695–706.
PubMed Link

Hejnol, A., M. Q. Martindale and J. Q. Henry. 2007. High-resolution fate map of the snail Crepidula fornicata: The origins of ciliary bands, nervous system, and muscular elements. Dev. Biol. 305: 63–76.
PubMed Link

Henry, J. J. 2002. Conserved mechanism of dorsoventral axis determination in equal-cleaving spiralians. Dev Biol. 248: 343–355.
PubMed Link

Henry, J. J. and M. Q. Martindale. 1987. The organizing role of the D quadrant as revealed through the phenomenon of twinning in the polycheate Chætopterus variopedatus. Roux Arch. Dev. Biol. 196: 499-510.
PubMed Link

Henry, J. J., K. J. Perry, L. Fukui and N. Alvi. 2010b. Differential localization of mRNAs during early development in the mollusc, Crepidula fornicata. Integr. Comp. Biol. 50: 720–733.
PubMed Link

Henry, J. Q., D. C. Lyons, K. J. Perry and C. C. Osborne. 2017. Establishment and activity of the D quadrant organizer in the marine gastropod Crepidula fornicata. Dev. Biol. 431: 282–296
PubMed Link

Henry, J. Q., K. J. Perry and M. Q. Martindale. 2010a. Beta-catenin and early development in the gastropod Crepidula fornicata. Integr Comp. Biol. 50: 707–719.
PubMed Link

Henry, J. Q., K. J. Perry, J. Wever, E. Seaver and M. Q. Martindale. 2008. Beta-catenin is required for the establishment of vegetal embryonic fates in the nemertean Cerebratulus lacteus. Dev. Biol. 317: 368–379.
PubMed Link

Hodgkin, J. 2001. What does a worm want with 20,000 genes? Genome Biol 2: COMMENT2008.
PubMed Link

Hodgkin, J., H. R. Horvitz, B. R. Jasny and J. Kimble. 1998. C. elegans: Sequence to biology. Science 282: 2011.

Hoso, M., Y. Kameda, S. P. Wu, T. Asami, M. Kato and M. Hori. 2010. A speciation gene for left-right reversal in snails results in anti-predator adaptation. Nat. Commun. 1: 133.
PubMed Link

Hutter, H. and R. Schnabel. 1994. glp-1 and inductions establishing embryonic axes in C. elegans. Development 120: 2051–2064.
PubMed Link

Hutter, H. and R. Schnabel. 1995. Establishment of left-right asymmetry in the Caenorhabditis elegans embryo: A multistep process involving a series of inductive events. Development 121: 3417–3424.
PubMed Link

Johnston, W. L., A. Krizus and J. W. Dennis. 2010. Eggshell chitin and chitin-interacting proteins prevent polyspermy in C. elegans. Curr. Biol. 20: 1932–1937.
PubMed Link

Kimble, J. and D. Hirsh. 1979. The postembryonic cell lineages of the hermaphrodite and male gonads in Caenorhabditis elegans. Dev. Biol. 70: 396–418.
PubMed Link

Kingsley, E. P., X. Y. Chan, Y. Duan and J. D. Lambert. 2007. Widespread RNA segregation in a spiralian embryo. Evol. Dev. 9: 527–539.
PubMed Link

Klinkert, K. and 10 others. 2019. Aurora A depletion reveals centrosome-independent polarization mechanism in Caenorhabditis elegans. Elife 8:e44552.
PubMed Link

Kuo, D.H. and D. A. Weisblat. 2011. A new molecular logic for BMP-mediated dorsoventral patterning in the leech Helobdella. Curr. Biol. 21: 1282–1288.
PubMed Link

Kuroda, R., B. Endo, M. Abe and M. Shimizu. 2009. Chiral blastomere arrangement dictates zygotic left-right asymmetry pathway in snails. Nature 462: 790–794.
PubMed Link

Kuroda, R. and 8 others. 2016. Diaphanous gene mutation affects spiral cleavage and chirality in snails. Sci. Rep. 6: 34809.
PubMed Link

Lambert, J. D. and L. M. Nagy. 2002. Asymmetric inheritance of centrosomally localized mRNAs during embryonic cleavage. Nature 420: 682–686.
PubMed Link

Lambert, J. D. 2010. Developmental patterns in spiralian embryos. Curr. Biol. 20: 272–277.
PubMed Link

Lambert, J. D., A. B. Johnson, C. N. Hudson and A. Chan. 2016. Dpp/BMP2-4 mediates signaling from the D-quadrant organizer in a spiralian embryo. Curr. Biol. 26: 2003–2010.
PubMed Link

Lambert, J. D. and L. M. Nagy. 2003. The MAPK cascade in equally cleaving spiralian embryos. Dev. Biol. 263: 231–241.
PubMed Link

Lanza, A. R. and E. C. Seaver. 2018. An organizing role for the TGF-β signaling pathway in axes formation of the annelid Capitella teleta. Dev. Biol. 435: 26-40.
PubMed Link

Lin, R., S. Thompson and J. R. Priess. 1995. pop1 encodes an HMG box protein required for the specification of a mesoderm precursor in early C. elegans embryos. Cell 83: 599–609.
PubMed Link

Liu, M. M., J. W. Davey, R. Banerjee, J. Han, F. Yang, A. Aboobaker, M. L. Blaxter and A. Davison. 2013. Fine mapping of the pond snail left-right asymmetry (chirality) locus using RAD-Seq and fibre-FISH. PLOS ONE 8: e71067.
PubMed Link

Lyons, D. C. and J. Q. Henry. 2014. Ins and outs of spiralian gastrulation. Int. J. Dev. Biol. 58: 413–428.
PubMed Link

Lyons, D. C., K. J. Perry, M. P. Lesoway and J. Q. Henry. 2012. Cleavage pattern and fate map of the mesentoblast, 4d, in the gastropod Crepidula: A hallmark of spiralian development. EvoDevo 3: 21.
PubMed Link

Lyons, D. C., K. J. Perry, and J. Q. Henry. 2015. Spiralian gastrulation: Germ layer formation, morphogenesis, and fate of the blastopore in the slipper shell Crepidula fornicata. EvoDevo 6: 24.
PubMed Link

Lyons, D. C., K. J. Perry and J. Q. Henry. 2017. Morphogenesis along the animal-vegetal axis: fates of primary quartet micromere daughters in the gastropod Crepidula fornicata. BMC Evol. Biol. 17: 217.
PubMed Link

Lyons, D. C., K. J. Perry, G. Batzel and J. Q. Henry. 2020. BMP signaling plays a role in anterior-neural/head development, but not organizer activity, in the gastropod Crepidula fornicata. Dev. Biol. 463: 135–157.
PubMed Link

Maduro, M. F. 2006. Endomesoderm specification in Caenorhabditis elegans and other nematodes. BioEssays 28: 1010–1022.
PubMed Link

Maduro, M. F. 2009. Structure and evolution of the C. elegans embryonic endomesoderm network. Biochim. Biophys. Acta 1789: 250–260.
PubMed Link

Mango, S. E., C. J. Thorpe, P. R. Martin, S. H. Chamberlain and B. Bowerman. 1994a. Two maternal genes, apx-1 and pie-1, are required to distinguish the fates of equivalent blastomeres in early C. elegans embryos. Development 120: 2305–2315.
PubMed Link

Mello, C. C., B. W. Draper and J. R. Priess. 1994. The maternal genes apx-1 andglp-1 and establishment of dorsal-ventral polarity in the early C. elegansembryo. Cell 77: 95–106.
PubMed Link

Mello, C. C., C. Schubert, B. Draper, W. Zhang, R. Lobel and J. R. Priess. 1996. The PIE-1 protein and germline specification in C. elegans embryos. Nature 382: 710–712.
PubMed Link

Meyerowitz, E. M., J. L. Bowman, L. L. Brockman, G. N. Drews, T. Jack, L. E. Sieburth and D. Weigel. 1991. A genetic and molecular model for flower development in Arabidopsis thaliana. Dev. Suppl. 1: 157−167.
PubMed Link

Millonigg, S., R. Minasaki, M. Nousch, J. Novak and C. R. Eckmann. 2014. GLD-4-mediated translational activation regulates the size of the proliferative germ cell pool in the adult C. elegans germ line. PLoS Genet 10(9): e1004647.
PubMed Link

Motegi, F. and G. Seydoux. 2013. The PAR network: Redundancy and robustness in a symmetry-breaking system. Philos. Trans. R. Soc. London 368B: 20130010.
PubMed Link

Motegi, F., S. Zonies, Y. Hao, A. A. Cuenca, E. Griffin and G. Seydoux. 2011. Microtubules induce self-organization of polarized PAR domains in Caenorhabditis elegans zygotes. Nat. Cell. Biol. 13: 1361–1367.
PubMed Link

Nance, J. and J. A. Zallen. 2011 Elaborating polarity: PAR proteins and the cytoskeleton. Development 138: 799–809.
PubMed Link

Palauqui, J. C. and P. Laufs. 2011. Phyllotaxis: In search of the golden angle. Curr. Biol. 21: R502−R504.
PubMed Link

Park, F. D., J. R. Tenlen and J. R. Priess. 2004. C. elegans MOM-5/Frizzled functions in MOM-2/Wnt-independent cell polarity and is localized asymmetrically prior to cell division. Curr. Biol. 14: 2252–2258.
PubMed Link

Peaucelle, A., R. Louvet, J. N. Johansen, H. Höfte, P. Laufs, J. Pelloux and G. Mouille. 2008. Arabidopsis phyllotaxis is controlled by the methyl-esterification status of cell-wall pectins. Curr. Biol. 18: 1943−1948.
PubMed Link

Pien, S., J. Wyrzykowska, S. McQueen-Mason, C. Smart and A. Fleming A. 2001. Local expression of expansin induces the entire process of leaf development and modifies leaf shape. Proc. Natl. Acad. Sci. USA 98: 11812−11817.
PubMed Link

Pines, M. (ed.). 1992. From Egg to Adult. Howard Hughes Medical Institute, Bethesda, MD, 30–38.

Pohl, C. 2011. Left-right patterning in the C. elegans embryo: Unique mechanisms and common principles. Commun. Integr. Biol. 4: 34–40.
PubMed Link

Poole, R. J. and O. Hobert. 2006. Early embryonic programming of neuronal left/right asymmetry in C. elegans. Curr. Biol. 16: 2279–2292.
PubMed Link

Priess, R. A. and J. N. Thomson. 1987. Cellular interactions in early C. elegans embryos. Cell 48: 241–250.
PubMed Link

Rabinowitz, J. S. and J. D. Lambert. 2010. Spiralian quartet developmental potential is regulated by specific localization elements that mediate asymmetric RNA segregation. Development 137: 4039–4049.
PubMed Link

Rabinowitz, J. S., X. Y. Chan, E. P. Kingsley, Y. Duan and J. D. Lambert. 2008. Nanos is required in somatic blast cell lineages in the posterior of a mollusk embryo. Curr. Biol. 18: 331–336.
PubMed Link

Raich, W. B., C. Agbunag and J. Hardin 1999. Rapid epithelial-sheet sealing in the Caenorhabditis elegans embryo requires cadherin-dependent filopodial priming. Curr. Biol. 9: 1139–1146.
PubMed Link

Reinhardt, D. and 7 others. 2003. Regulation of phyllotaxis by polar auxin transport. Nature 426: 255−260.
PubMed Link

Render, J. 1991. Fate maps of the first quartet micromeres in the gastropodIlyanassa obsolete. Development 113: 495–501.
PubMed Link

Rocheleau, C. E. and 8 others. 1997. Wnt signaling and an APC-related gene specify endoderm in early C. elegans embryos. Cell 90: 707–716.
PubMed Link

Rose, L. and P. Gönczy. 2014. Polarity establishment, asymmetric division and segregation of fate determinants in early C. elegans embryos. WormBook.
Link

Sassi, M. and 13 others. 2014. An auxin-mediated shift toward growth isotropy promotes organ formation at the shoot meristem in Arabidopsis. Curr. Biol. 24: 2335−2342.
PubMed Link

Schierenberg, E. 1997. Nematodes, the roundworms. In S. F. Gilbert and A. M. Raunio (eds.), Embryology: Constructing the Organism. Sinauer Associates, Sunderland, MA, 131–148.

Seifert, M., E. Schmidt and R. Baumeister. 2006. The genetics of synapse formation and function in Caenorhabditis elegans. Cell Tissue Res. 326: 273–285.
PubMed Link

Shapiro, B. E., C. Tobin, E. Mjolsness and E. M. Meyerowitz. 2015. Analysis of cell division patterns in the Arabidopsis shoot apical meristem. Proc. Natl. Acad. Sci. USA 112: 4815−4820.
PubMed Link

Shemer, G. and B. Podbilewicz. 2000. Fusomorphogenesis: Cell fusion in organ formation. Dev. Dyn. 218: 30–51.
PubMed Link

Shemer, G. and B. Podbilewicz. 2003. The story of cell fusion: Big lessons from little worms. BioEssays. 25: 672–682.
PubMed Link

Shibazaki, Y., M. Shimizu and R. Kuroda. 2004. Body handedness is directed by genetically determined cytoskeletal dynamics in the early embryo. Curr. Biol. 14: 1462–1467.
PubMed Link

Skiba, F. and E. Schierenberg. 1992. Cell lineage, developmental timing, and spatial pattern formation in embryos of free-living soil nematodes. Dev. Biol. 151: 597–610.
PubMed Link

Sturtevant, M. H. 1923. Inheritance of direction of coiling in Limnaea. Science 58: 269–270.

Sulston, J. E. and H. R. Horvitz. 1977. Postembryonic cell lineages of the nematode Caenorhabditis elegans. Dev. Biol. 56: 110–156.
PubMed Link

Sulston, J. E., J. Schierenberg, J. White and N. Thomson. 1983. The embryonic cell lineage of the nematode Caenorhabditis elegans. Dev. Biol. 100: 64–119.
PubMed Link

Sweet, H. C. 1998. Specification of first quartet micromeres in Ilyanassa involves inherited factors and position with respect to the inducing D macromere. Development 125: 4033–4044.
PubMed Link

Thorpe, C. J., A. Schlesinger, J. C. Carter and B. Bowerman. 1997. Wnt signaling polarizes an early C. elegans blastomere to distinguish endoderm from mesoderm. Cell 90: 695–705.
PubMed Link

van den Biggelaar, J. A. M. 1977. Development of dorsoventral polarity and mesentoblast determination in Patella vulgata. J. Morphol.154: 157–186.
PubMed Link

van den Biggelaar, J. A. M. and W. J. A. G. Dictus. 2004. Gastrulation in the molluscan embryo. In C. D. Stern (ed.), Gastrulation: From Cells to Embryo. Cold Spring Harbor Laboratory Press, Cold Spring Harbor, NY, 63–77.

Verdonk, N. H. and J. N. Cather. 1983. Morphogenetic determination and differentiation. In N. H. Verdonk, J. A. M. van den Biggelaar and A. S. Tompa (eds.), The Mollusca. Academic Press, New York, 215–252.

Walston, T., C. Tuskey, L. Edgar, N. Hawkins, G. Ellis, B. Bowerman, W. Wood and J. Hardin. 2004. Multiple Wnt signaling parthways converge to orient the mitotic spindles in early C. elegans embryos. Dev. Cell 7: 831–841.
PubMed Link

Webster, N. B., M. Corbet, A. Sur and N. P. Meyer. 2021. Role of BMP signaling during early development of the annelid Capitella teleta. Dev. Biol. 478: 183–204.
PubMed Link

White, J. G., E. Southgate, J. N. Thomson and S. Brenner. 1986. The structure of the nervous system of the nematode Caenorhabditis elegans. Philos. Trans. R. Soc. London 314B: 1–340.
PubMed Link

Wilson, E. B. 1898. Cell lineage and ancestral reminiscence. In Biological Lectures from the Marine Biological Laboratories, Woods Hole, Massachusetts. Ginn, Boston, 21–42.

Wood, W. B. and S. Schonegg. 2005. Rotation of 1-cell C. elegans embryos inside the egg shell reveals an early step in establishment of left-right polarity and embryonic handedness. International Worm Meeting, Los Angeles, CA.
Link

Zhao, P., X. Teng, S. N. Tantirimudalige, M. Nishikawa, T. Wohland, Y. Toyama and F. Motegi. 2019. Aurora-A breaks symmetry in contractile actomyosin networks independently of its role in centrosome maturation. Dev. Cell. 49: 651–653.
PubMed Link

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