The genus Lachnagrostis (Gramineae) in Australia
نویسندگان
چکیده
منابع مشابه
Compositional gradients in Gramineae genes.
In this study, we describe a property of Gramineae genes, and perhaps all monocot genes, that is not observed in eudicot genes. Along the direction of transcription, beginning at the junction of the 5'-UTR and the coding region, there are gradients in GC content, codon usage, and amino-acid usage. The magnitudes of these gradients are large enough to hinder the annotation of the rice genome and...
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An average of 14(7-34) plants each for 61 different collections of Zea (maize and its wild relatives, the teosintes) were studied for 12 enzyme systems coded for by 21 loci. Principal component and cluster analyses based on allele frequencies showed Zea can be divided into two major groups: 1) sect. Luxuriantes, including Z. perennis, Z. diploperennis, and Z. luxurians; and 2) sect. Zea (in par...
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The penicillate genus Unixenus Jones, 1944 is widespread, with species found in Africa, Madagascar, India and Australia. Each of the two Australian species was originally described from single samples from Western Australia. In this study, collections of Penicillata from museums in all states of Australia were examined to provide further details of the two described species, to revise the diagn...
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The genus Craterocephalus is one of the 11 genera within the family Atherinidae. It is the only genus in the family that has undergone an extensive radiation within freshwater habitats. Five species groups are represented within the genus, with 18 species found in Australia, six in New Guinea and one in East Timor. Craterocephalus is the equal fourth most widespread genus in Australian freshwat...
متن کاملThe distribution of genes in the genomes of Gramineae (chromosomesyisochoresyplants)
Recent investigations showed that most maize genes are present in compositional fractions of nuclear DNA that cover only a 1–2% GC (molar fraction of guanosine plus cytosine in DNA) range and represent only 10–20% of the genome. These fractions, which correspond to compositional genome compartments that are distributed on all chromosomes, were collectively called the ‘‘gene space.’’ Outside the...
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ژورنال
عنوان ژورنال: Telopea
سال: 2002
ISSN: 0312-9764,2200-4025
DOI: 10.7751/telopea20024001