scholarly journals Molecular characterization of cultivated cowpea (Vigna unguiculata L. Walp) using simple sequence repeats markers

2014 ◽  
Vol 13 (34) ◽  
pp. 3464-3472
Author(s):  
L. A. Ogunkanmi, ◽  
O. T. Ogundipe, ◽  
C. A. Fatokun,
Keyword(s):  
Molecular Characterization ◽  
Vigna Unguiculata ◽  
Simple Sequence Repeats ◽  
Simple Sequence

scholarly journals Molecular Characterization of Maize (Zea mays L.) Inbred Lines using Simple Sequence Repeats (SSR) Marker

2020 ◽  
Vol 9 (6) ◽  
pp. 3158-3164
Author(s):  
Urusha Zareen ◽  
Birender Singh ◽  
Bishun Deo Prasad ◽  
S. S. Mandal ◽  
R. B. P. Nirala ◽  
...  
Keyword(s):  
Zea Mays ◽  
Molecular Characterization ◽  
Simple Sequence Repeats ◽  
Ssr Marker ◽  
Zea Mays L ◽  
Inbred Lines ◽  
Simple Sequence

Genetic Diversity and Characterization of a Core Collection of Malus Germplasm Using Simple Sequence Repeats (SSRs)

2011 ◽  
Vol 30 (4) ◽  
pp. 827-837 ◽  
Author(s):  
Sarah M. Potts ◽  
Yuepeng Han ◽  
M. Awais Khan ◽  
Mosbah M. Kushad ◽  
A. Lane Rayburn ◽  
...  
Keyword(s):  
Genetic Diversity ◽  
Simple Sequence Repeats ◽  
Core Collection ◽  
Simple Sequence

SIMPLE SEQUENCE REPEATS (SSRS) FOR DIVERSITY CHARACTERIZATION OF GUAVA (PSIDIUM GUAJAVA L.)

2010 ◽  
pp. 155-162 ◽  
Author(s):  
J. Valdés-Infante ◽  
N.N. Rodríguez ◽  
B. Velásquez ◽  
D. Rivero ◽  
F. Martínez ◽  
...  
Keyword(s):  
Simple Sequence Repeats ◽  
Psidium Guajava ◽  
Simple Sequence

scholarly journals Characterization of Simple Sequence Repeats (SSRs) in Ciliated Protists Inferred by Comparative Genomics

2020 ◽  
Vol 8 (5) ◽  
pp. 662 ◽  
Author(s):  
Yuan Li ◽  
Xiao Chen ◽  
Kun Wu ◽  
Jiao Pan ◽  
Hongan Long ◽  
...  
Keyword(s):  
Simple Sequence Repeats ◽  
Evolutionary History ◽  
Rapid Evolution ◽  
Genome Diversity ◽  
Unicellular Eukaryotes ◽  
Genome Wide ◽  
Species Analysis ◽  
Simple Sequence ◽  
High Diversity

Simple sequence repeats (SSRs) are prevalent in the genomes of all organisms. They are widely used as genetic markers, and are insertion/deletion mutation hotspots, which directly influence genome evolution. However, little is known about such important genomic components in ciliated protists, a large group of unicellular eukaryotes with extremely long evolutionary history and genome diversity. With recent publications of multiple ciliate genomes, we start to get a chance to explore perfect SSRs with motif size 1–100 bp and at least three motif repeats in nine species of two ciliate classes, Oligohymenophorea and Spirotrichea. We found that homopolymers are the most prevalent SSRs in these A/T-rich species, with AAA (lysine, charged amino acid; also seen as an SSR with one-adenine motif repeated three times) being the codons repeated at the highest frequencies in coding SSR regions, consistent with the widespread alveolin proteins rich in lysine repeats as found in Tetrahymena. Micronuclear SSRs are universally more abundant than the macronuclear ones of the same motif-size, except for the 8-bp-motif SSRs in extensively fragmented chromosomes. Both the abundance and A/T content of SSRs decrease as motif-size increases, while the abundance is positively correlated with the A/T content of the genome. Also, smaller genomes have lower proportions of coding SSRs out of all SSRs in Paramecium species. This genome-wide and cross-species analysis reveals the high diversity of SSRs and reflects the rapid evolution of these simple repetitive elements in ciliate genomes.

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