دورية أكاديمية
أعرض في EDS

Simple and Divided Leaves in Ferns: Exploring the Genetic Basis for Leaf Morphology Differences in the Genus Elaphoglossum (Dryopteridaceae).

التفاصيل البيبلوغرافية
العنوان: Simple and Divided Leaves in Ferns: Exploring the Genetic Basis for Leaf Morphology Differences in the Genus Elaphoglossum (Dryopteridaceae).
المؤلفون: Vasco A; Botanical Research Institute of Texas, 1700 University Drive, Fort Worth, TX 76107-3400, USA., Ambrose BA; The New York Botanical Garden, 2900 Southern Blvd, Bronx, NY 10458-5126, USA.
المصدر: International journal of molecular sciences [Int J Mol Sci] 2020 Jul 22; Vol. 21 (15). Date of Electronic Publication: 2020 Jul 22.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101092791 Publication Model: Electronic Cited Medium: Internet ISSN: 1422-0067 (Electronic) Linking ISSN: 14220067 NLM ISO Abbreviation: Int J Mol Sci Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI, [2000-
مواضيع طبية MeSH: Ferns/*genetics , Gene Expression Regulation, Plant/*genetics , Histones/*metabolism , Homeodomain Proteins/*metabolism , Plant Leaves/*anatomy & histology , Plant Proteins/*metabolism, Dryopteridaceae/anatomy & histology ; Dryopteridaceae/genetics ; Dryopteridaceae/growth & development ; Dryopteridaceae/metabolism ; Evolution, Molecular ; Ferns/anatomy & histology ; Ferns/growth & development ; Ferns/metabolism ; Histones/genetics ; Homeodomain Proteins/genetics ; Meristem/metabolism ; Phylogeny ; Plant Leaves/genetics ; Plant Leaves/growth & development ; Plant Leaves/metabolism ; Plant Proteins/genetics
مستخلص: Despite the implications leaves have for life, their origin and development remain debated. Analyses across ferns and seed plants are fundamental to address the conservation or independent origins of megaphyllous leaf developmental mechanisms. Class I KNOX expression studies have been used to understand leaf development and, in ferns, have only been conducted in species with divided leaves. We performed expression analyses of the C lass I KNOX and Histone H4 genes throughout the development of leaf primordia in two simple-leaved and one divided-leaved fern taxa. We found Class I KNOX are expressed (1) throughout young and early developing leaves of simple and divided-leaved ferns, (2) later into leaf development of divided-leaved species compared to simple-leaved species, and (3) at the leaf primordium apex and margins. H4 expression is similar in young leaf primordia of simple and divided leaves. Persistent Class I KNOX expression at the margins of divided leaf primordia compared with simple leaf primordia indicates that temporal and spatial patterns of Class I KNOX expression correlate with different fern leaf morphologies. However, our results also indicate that Class I KNOX expression alone is not sufficient to promote divided leaf development in ferns. Class I KNOX patterns of expression in fern leaves support the conservation of an independently recruited developmental mechanism for leaf dissection in megaphylls, the shoot-like nature of fern leaves compared with seed plant leaves, and the critical role marginal meristems play in fern leaf development.
Competing Interests: The authors declare no conflict of interest.
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معلومات مُعتمدة: DEB-1020443 National Science Foundation; IA201416 UNAM-DGAPA-PAPIIT
فهرسة مساهمة: Keywords: Class I KNOX; Dryopteridaceae; Elaphoglossum; ferns; fronds; leaf diversity; leaf evolution and development; megaphyll
المشرفين على المادة: 0 (Histones)
0 (Homeodomain Proteins)
0 (Knox1 protein, plant)
0 (Plant Proteins)
تواريخ الأحداث: Date Created: 20200726 Date Completed: 20210304 Latest Revision: 20231103
رمز التحديث: 20231103
مُعرف محوري في PubMed: PMC7432805
DOI: 10.3390/ijms21155180
PMID: 32707812
قاعدة البيانات: MEDLINE
الوصف
تدمد:1422-0067
DOI:10.3390/ijms21155180