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Lineage tracing of the bivalve shell field with special interest in the descendants of the 2d blastomere

Masakuni Mohri, Naoki Hashimoto, Hiroshi Wada
Published 1 March 2016.DOI: 10.1098/rsbl.2015.1055
Masakuni Mohri
Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8572, Japan
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Naoki Hashimoto
Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8572, Japan
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Hiroshi Wada
Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-8572, Japan
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  • Data Supplement

    • Figure S1 - Cell lineage tracing of 2d descendants.
    • Figure S2 - Cell lineage tracing of 1d.

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  • Figure 1.
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    Figure 1.

    Schematic illustration of the cleavage pattern and cell lineage mapping of 2d descendants. (a–e) Schematic illustration of the cleavage pattern of 2d descendants. (f) Summary of the cell lineage mapping of the 2d descendants in trochophore larva. Dorsal views, anterior to the top. (g) Tree diagram of the cell lineage and developmental fate of 2d descendants.

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    Figure 2.

    Cell lineage tracing of 2d and descendant blastomeres. (a–c) Cell lineage of 2d. Kaede was converted at nine-cell stage (a: view from right side), and the fate of 2d was observed at trochophore stage (b,c). (d–q) Cell lineage of 2d11211 (d–f), 2d11212 (g–i), 2d2 (j,k), 2d12 (l,m), 2d111 (n,o) and 2d1122 (p,q). Note that some converted cells appeared yellowish because unconverted green Kaede protein was translated from the injected mRNA even after photoconversion. Shell field boundary is indicated by broken line. Anterior is to the top except for (n), in which ventral is to the top. Scale bars, 50 µm.

Tables

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  • Table 1.

    Cell lineage of 2d descendants.

    photoconverted cellsdevelopmental fate at trochophore stageno. larvae showing the fate/no. embryos observedfigure
    2ddorsal post-trochal epidermis and shell field4/42a–c
    2d2right-anterior and right-posterior dorsal post-trochal epidermis8/82j,k
    2d12left-anterior dorsal post-trochal epidermis6/62l,m
    2d111anterior dorsal post-trochal epidermis6/62n,o
    2d1122right-posterior post-trochal epidermis7/72p,q
    2d11211right-posterior shell field and ligament
    right-anterior and posterior dorsal post-trochal epidermis
    8/82d–f
    2d11212left-anterior shell field and ligament
    left-anterior and posterior dorsal post-trochal epidermis
    9/92g–i
    1dprototroch and pre-trochal epidermis4/4S1
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March 2016
Volume 12
, issue 3
Biology Letters: 12 (3)
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Keywords

bivalve
spiral cleavage
cell lineage
Kaede
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Lineage tracing of the bivalve shell field with special interest in the descendants of the 2d blastomere
Masakuni Mohri, Naoki Hashimoto, Hiroshi Wada
Biol. Lett. 2016 12 20151055; DOI: 10.1098/rsbl.2015.1055. Published 1 March 2016
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Lineage tracing of the bivalve shell field with special interest in the descendants of the 2d blastomere

Masakuni Mohri, Naoki Hashimoto, Hiroshi Wada
Biol. Lett. 2016 12 20151055; DOI: 10.1098/rsbl.2015.1055. Published 1 March 2016

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