Jr CN Miller The origin of modern conifer families. Columbia University Press New York — Nature — Mol Gen Genomics — Occurrence Handle Annu Rev Genet 19 — Occurrence Handle Plenum Press New York — Curr Biol 9 — Occurrence Handle Am J Bot 80 Nature — Occurrence Handle Mol Phylogenet Evol 29 — Occurrence Handle Am J Bot 88 — Occurrence Handle B Rost ArticleTitle Twilight zone of protein sequence alignments.
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Download references. We thank Robert Friedman for critical comments on an early version of the manuscript and Yoshihiro Matsuoka and Shu-Shin Wu for help with the gene group assignment for the three grasses and other taxa.
Institute of Botany, Academia Sinica, Sec. You can also search for this author in PubMed Google Scholar. Correspondence to Shu-Miaw Chaw. Reprints and Permissions. Chaw, SM. J Mol Evol 58, — Download citation. The phylogenetic analyses indicated that nonsynonymous substitution rates of cp genomes are unequal among tracheophyte lineages. For this reason, the constant-rate method gave overestimates of the monocot-dicot divergence and the age of core eudicots, especially when fast-evolving monocots were included in the analysis.
In contrast, the Li-Tanimura method gave estimates consistent with the known evolutionary sequence of seed plant lineages and with known fossil records. Combining estimates calibrated by two known fossil nodes and the Li-Tanimura method, we propose that monocots branched off from dicots Myr ago late Jurassic-early Cretaceous , at least 50 Myr younger than previous estimates based on the molecular clock hypothesis, and that the core eudicots diverged Myr ago Albian-Aptian of the Cretaceous.
Agriculture Training. Marketing Tools For Landscapers. Call: By Kaitlyn Ersek on Sep 14, AM Plants can be separated into two distinct categories: monocots and dicots. Monocot vs. Dicot Monocots differ from dicots in four distinct structural features: leaves, stems, roots and flowers. Roots: Fibrous vs. Stems: Arranging the vascular tissue As the monocots develop, the stem arranges the vascular tissue the circulatory system of the plant sporadically.
Leaves: Parallel veins vs. Flowers: How many flower petals does your plant have? What Does This Mean for You? Works Cited Phelan, Jay. Related posts. Subscribe Here! Recent Popular Categories. Holganix case Study: Bigger Biomass?
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