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The shoot system, which consists of the stem and leaves, has been subject of recent research in anatomy and molecular biology, especially in regard to the leaf development. In this sense, this research addresses issues related to the leaf ontogeny, including anatomical and molecular aspects, within groups of plants not yet studied in the literature and that lack important information. The selected taxa are representatives of large groups of vascular plants: ferns, monocotyledons and eudicotyledons. As sub-themes will be investigated aspects of (i) establishment and transition of the determination of leaf primordia; (ii) growth regions in dorsiventral and teretes leaves and (iii) development of structures in the leaf base and its structural homology. Conventional techniques in plant anatomy will be used, such as optical and scanning electron microscopy. In addition, gene expression will be performed by using in situ hybridization for target genes related to leaf development. Highly relevant results are expected to study the primary shoot system in different groups of vascular plants, with original scientific publications, as well as promoting academic cooperation for the exchange of students and teaching staff/researchers. (AU)

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Scientific publications (6)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CASSIMIRO DE LEMOS, RENATA CRISTINA; SILVA, DELMIRA DA COSTA; DE ALBUQUERQUE MELO-DE-PINNA, GLADYS FLAVIA. A structural review of foliar glands in Passiflora L. (Passifloraceae). PLoS One, v. 12, n. 11, . (13/07857-4, 15/15158-4)
CRUZ, RAFAEL; MELO-DE-PINNA, GLADYS F. A.; VASCO, ALEJANDRA; PRADO, JEFFERSON; AMBROSE, BARBARA A.. Class I KNOXIs Related to Determinacy during the Leaf Development of the FernMickelia scandens(Dryopteridaceae). INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, v. 21, n. 12, . (15/15158-4, 15/15920-3, 13/26191-7)
CRUZ, RAFAEL; PRADO, JEFFERSON; DE ALBUQUERQUE MELO-DE-PINNA, GLADYS FLAVIA. Leaf development in some ferns with variable dissection patterns (Dryopteridaceae and Lomariopsidaceae). FLORA, v. 270, . (15/15158-4, 13/26191-7)
VITA, RICARDO S. B.; MENEZES, NANUZA L.; PELLEGRINI, MARCO O. O.; MELO-DE-PINNA, GLADYS F. A.. A new interpretation on vascular architecture of the cauline system in Commelinaceae (Commelinales). PLoS One, v. 14, n. 6, . (15/15158-4)
HERNANDES-LOPES, JOSE; SOUSA-BAENA, MARIAN S.; LEMOS, RENATA C. C.; CORREA, TATIANA C. S.; VAN SLUYS, MARIE-ANNE; DE ALBUQUERQUE MELO-DE-PINNA, GLADYS FLAVIA. Toward understanding inflorescence development and architecture in Passiflora: insights from comparative anatomy and expression of APETALA1. AMERICAN JOURNAL OF BOTANY, v. 106, n. 9, p. 1173-1189, . (15/15158-4)
OGURA, ALINE S.; HERNANDES-LOPES, JOSE; MELO-DE-PINNA, GLADYS F. A.. A new anatomical interpretation for abaxialization in unifacial leaf blade of stone plants (Aizoaceae, Caryophyllales). BRAZILIAN JOURNAL OF BOTANY, v. 41, n. 3, p. 751-764, . (15/15158-4, 11/04286-0)

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