Local adaptation of two cryptic species, Lasthenia californica and Lasthenia gracilis, to distinct regions within a serpentine outcrop [PDF]
Intraspecific variation providing tolerance to specific edaphic conditions may contribute to population differentiation, speciation, and species coexistence.
Barry, Teri
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Temporal and spatial expression of genes involved in DNA methylation during reproductive development of sexual and apomictic Eragrostis curvula [PDF]
Recent reports in model plant species have highlighted a role for DNA methylation pathways in the regulation of the somatic-to-reproductive transition in the ovule, suggesting that apomixis (asexual reproduction through seeds) likely relies on RdDM ...
Echenique, Carmen Viviana +9 more
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Two Lily SEPALLATA-Like Genes Cause Different Effects on Floral Formation and Floral Transition in Arabidopsis [PDF]
Abstract Two AGL2-like MADS-box genes, Lily MADS Box Gene (LMADS) 3 and LMADS4, with extensive homology of LMADS3 to the Arabidopsis SEPALLATA3 were characterized from the lily (Lilium longiflorum). Both LMADS3 and LMADS4 mRNA were detected in the inflorescence meristem, in floral buds of different developmental stages, and in all four ...
Tsai-Yu, Tzeng +3 more
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The plant stress hormone ethylene controls floral transition via DELLA-dependent regulation of floral meristem-identity genes [PDF]
The length of the Arabidopsis thaliana life cycle depends on the timing of the floral transition. Here, we define the relationship between the plant stress hormone ethylene and the timing of floral initiation.
Achard, P. +7 more
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Molecular Characterization of FT and FD homologs from Eriobotrya deflexa Nakai forma koshunensis
In angiosperms, regulation of flowering is a vital process for successful reproduction. To date, the molecular mechanism of flowering is well studied in the model plant, Arabidopsis, in which key genes such as FLOWERING LOCUST (FT)or FD have been ...
Ling eZhang +3 more
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The Arabidopsis JAGGED gene encodes a zinc finger protein that promotes leaf tissue development [PDF]
Important goals in understanding leaf development are to identify genes involved in pattern specification, and also genes that translate this information into cell types and tissue structure. Loss-of-function mutations at the JAGGED (JAG) locus result in
Heisler, Marcus G. B. +3 more
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AIP1 is a novel Agenet/Tudor domain protein from Arabidopsis that interacts with regulators of DNA replication, transcription and chromatin remodeling [PDF]
Background: DNA replication and transcription are dynamic processes regulating plant development that are dependent on the chromatin accessibility. Proteins belonging to the Agenet/Tudor domain family are known as histone modification "readers" and ...
Barroso-Neto, Ito Liberato +9 more
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Large-effect flowering time mutations reveal conditionally adaptive paths through fitness landscapes in Arabidopsis thaliana. [PDF]
Contrary to previous assumptions that most mutations are deleterious, there is increasing evidence for persistence of large-effect mutations in natural populations.
Cooper, Martha D +6 more
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Characterisation of inflorescence development in Zea mays with four developmental mutants : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Biological Science at Massey University, Palmerston North, New Zealand [PDF]
The genetic control of inflorescence development has been studied in great detail in the model dicotyledonous plants Arabidopsis thaliana and Antirrhinum majus. In contrast, little is known about the genetic regulation in monocotyledonous species.
Brown, Murray
core
The deepest splits in Chloranthaceae as resolved by chloroplast sequences [PDF]
Evidence from the fossil record, comparative morphology, and molecular phylogenetic analyses indicates that Chloranthaceae are among the oldest lineages of flowering plants alive today. Their four genera (ca.
Renner, Susanne S., Zhang, Li-Bing
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