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Competition, facilitation, and niche differentiation in two foliar pathogens
(
Springer Berlin / Heidelberg
, 2004 , Article)
We studied competition between the obligate biotroph Puccinia triticina (designated here as Puccinia) and the facultative saprophyte Pyrenophora tritici-repentis (designated here as Pyrenophora) in older and younger leaves ...
Ecophysiology of Limonium axillare and Avicennia marina from the coastline of Arabian Gulf-Qatar
(
Springer Science + Business Media B.V.
, 2008 , Article)
Attention is being focused on the coastline from Doha to Ras Laffan in Qatar since higher activities in the development of land and establishment of roads, highways and new buildings and houses is not coupled by serious ...
Knockout mice: Is it just genetics? Effect of enriched housing on fibulin-4+/- mice
(
Public Library of Science
, 2007 , Article)
Background. Fibulin-4 is an extracellular matrix protein expressed by vascular smooth muscle cells that is essential for maintaining arterial integrity. Fibulin-4-/- mice die just before birth due to arterial hemorrhage, ...
Man-made impact on the geochemistry of the Nile delta lakes. A study of metals concentrations in sediments
(
Kluwer Academic Publishers
, 2004 , Article)
Forty two sediment samples were collected from four River Nile northern delta lakes (Mariut, Edku, Burullus and Manzalah) to asses the man-made impact on their environment during the last 20 years. Due to the continuous ...
Molecular phylogeny of Qatari date palm genotypes using Simple Sequence Repeats markers
(
Asian Network for Scientific Information
, 2009 , Article)
The objectives of the present study is to analyze the genetic diversity among 15 different cultivars of date palm at the experimental farm of Qatar University using Simple Sequence Repeat (SSR) markers and find out the ...
Maintaining the genetic health of putative Barbary lions in captivity: an analysis of Moroccan Royal Lions
(
Springer Berlin / Heidelberg
, 2009 , Article)
The last representatives of the Barbary lion (Panthera leo leo), once numerous in North Africa but exterminated from the wild by the 1940s, are believed to be the captive lions descended from the Moroccan Royal Collection, ...
Isolation and characterization of extracellular bioflocculants produced by bacteria isolated from Qatari ecosystems
(
POLISH SOCIETY OF MICROBIOLOGISTS
, 2008 , Article)
Compared with conventional synthetic flocculants, bioflocculants has special advantages such as safety, strong effect, biodegradable and harmlessness to humans and the environment, so they may potentially be applied in ...
Mitochondrial phylogeography illuminates the origin of the extinct caspian tiger and its relationship to the amur tiger
(
Public Library of Science
, 2009 , Article)
The Caspian tiger (Panthera tigris virgata) flourished in Central Asian riverine forest systems in a range disjunct from that of other tigers, but was driven to extinction in 1970 prior to a modern molecular evaluation. ...
Preliminary Survey on Parasites Infecting Some Amphibian and Reptilian Species from United Arab Emirates and Qatar
(
Qatar University
, 2002 , Article)
The common amphibian toad Bufo orientalis and four species of reptiles (Scincus muscatensis, Mabuya brevicolis, Uromastyx microlepis and Diplometopon zarudnyi) were collected from five localities in the United Arab Emirates ...
Present day inbreeding does not forbid the forensic utility of commonly explored STR loci: A case study of native Qataris
(
Elsevier Ireland Ltd.
, 2008 , Article)
Allele frequency distribution of 15 short tandem repeat (STR) loci (D8S1179, D21S11, D7S820, CSF1PO, D3S1358, TH01, D13S317, D16S539, D2S1338, D19S433, vWA, TPOX, D18S51, D5S818, and FGA) was studied in a sample of 120 ...