Stephan Nielen
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Explore the profile of Stephan Nielen including associated specialties, affiliations and a list of published articles.
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9
Citations
172
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Recent Articles
1.
Datta S, Jankowicz-Cieslak J, Nielen S, Ingelbrecht I, Till B
Plant Biotechnol J
. 2018 Feb;
PMID: 29476650
Traditional breeding methods are hindered in bananas due to the fact that major cultivars are sterile, parthenocarpic, triploid and thus clonally propagated. This has resulted in a narrow genetic base...
2.
Tomlekova N, White P, Thompson J, Penchev E, Nielen S
PLoS One
. 2017 Feb;
12(2):e0172180.
PMID: 28207797
Vitamin and mineral deficiencies are prevalent in human populations throughout the world. Vitamin A deficiency affects hundreds of millions of pre-school age children in low income countries. Fruits of pepper...
3.
Bado S, Bazongo P, Son G, Kyaw M, Forster B, Nielen S, et al.
J Anal Methods Chem
. 2015 Nov;
2015:673547.
PMID: 26539305
Tuber characteristics and nutrient composition of three morphotypes of Cyperus esculentus tubers and tuber oils were determined. The mean value for length and width of the tuber and one thousand...
4.
Leal-Bertioli S, Santos S, Dantas K, Inglis P, Nielen S, Araujo A, et al.
Ann Bot
. 2014 Dec;
115(2):237-49.
PMID: 25538110
Background And Aims: Arachis batizocoi is a wild relative of cultivated peanut (A. hypogaea), an allotetraploid with an AABB genome. Arachis batizocoi was once considered the ancestral donor of the...
5.
Bertioli D, Vidigal B, Nielen S, Ratnaparkhe M, Lee T, Leal-Bertioli S, et al.
Ann Bot
. 2013 Jul;
112(3):545-59.
PMID: 23828319
Background And Aims: Peanut (Arachis hypogaea) is an allotetraploid (AABB-type genome) of recent origin, with a genome of about 2·8 Gb and a high repetitive content. This study reports an...
6.
Nielen S, Vidigal B, Leal-Bertioli S, Ratnaparkhe M, Paterson A, Garsmeur O, et al.
Mol Genet Genomics
. 2011 Nov;
287(1):21-38.
PMID: 22120641
Cultivated peanut is an allotetraploid with an AB-genome. In order to learn more of the genomic structure of peanut, we characterized and studied the evolution of a retrotransposon originally isolated...
7.
Nielen S, Almeida L, Carneiro V, Araujo A
Sex Plant Reprod
. 2010 Feb;
23(1):45-51.
PMID: 20165963
Brachiaria (Trin.) Griseb belongs to the family Poaceae, and within the genus, apomixis or sexuality is present in different accessions of the same species. The majority of Brachiaria species are...
8.
Nielen S, Campos-Fonseca F, Leal-Bertioli S, Guimaraes P, Seijo G, Town C, et al.
Chromosome Res
. 2010 Feb;
18(2):227-46.
PMID: 20127167
In this paper, we describe a Ty3-gypsy retrotransposon from allotetraploid peanut (Arachis hypogaea) and its putative diploid ancestors Arachis duranensis (A-genome) and Arachis ipaënsis (B-genome). The consensus sequence is 11,223...
9.
Leal-Bertioli S, Jose A, Alves-Freitas D, Moretzsohn M, Guimaraes P, Nielen S, et al.
BMC Plant Biol
. 2009 Aug;
9:112.
PMID: 19698131
Background: Worldwide, diseases are important reducers of peanut (Arachis hypogaea) yield. Sources of resistance against many diseases are available in cultivated peanut genotypes, although often not in farmer preferred varieties....