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Expression pattern of INNER NO OUTER homologue in Nymphaea (water lily family, Nymphaeaceae)

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Abstract

Two homologues of INNER NO OUTER (INO) in Nymphaea alba and N. colorata (Nymphaeaceae) were isolated and the expression pattern of the N. alba INO homologue NaINO was examined by in situ hybridization. The INO homologues obtained have a portion similar to INO in the predicted amino acid sequences between the conserved zinc finger-like and YABBY domains. In an in situ hybridization analysis, NaINO is expressed in the outer epidermis of the outer integument, inner integument, and the tip of the nucellus. The pattern observed in the outer integument is very similar to that of Arabidopsis thaliana, while the expression in the inner integument and nucellus is not observed in A. thaliana.

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Acknowledgements

The authors thank K. Okada and K. Watanabe for providing us with primers. S. Aoki, M. Shigyo, T. Tanahashi, and K. Uehara gave us advice on our experiments and this script. F. Shimozono, K. Hirai, and R. Yamaguchi assisted in the collection of specimens. This study was partly supported by Grants-in-Aid for Scientific Research from the Japan Society for the Promotion of Science to T.Y. and M.K.

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Authors and Affiliations

  1. Department of Biological Sciences, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, 113-0033, Tokyo, Japan

    Toshihiro Yamada & Masahiro Kato

  2. Department of Systems Science, Graduate School of Arts and Sciences, University of Tokyo, 3-8-1 Komaba, 153-8902, Tokyo, Japan

    Motomi Ito

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  1. Toshihiro Yamada
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  2. Motomi Ito
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  3. Masahiro Kato
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Correspondence to Toshihiro Yamada.

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Edited by G. Jürgens

Toshihiro Yamada is a Research Fellow of the Japan Society for the Promotion of Science

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Yamada, T., Ito, M. & Kato, M. Expression pattern of INNER NO OUTER homologue in Nymphaea (water lily family, Nymphaeaceae). Dev Genes Evol 213, 510–513 (2003). https://doi.org/10.1007/s00427-003-0350-8

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  • DOI: https://doi.org/10.1007/s00427-003-0350-8

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