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Volume 10, Number 3—March 2004

Research

Genomic Changes of Chagas Disease Vector, South America

Francisco Panzera*Comments to Author , Jean Pierre Dujardin†, Paula Nicolini*, María Noel Caraccio*, Virginia Rose*, Tatiana Tellez‡, Hernán Bermúdez‡, María Dolores Bargues§, Santiago Mas-Coma§, José Enrique O’Connor§, and Ruben Pérez*
Author affiliations: *Universidad Mayor de la República, Montevideo, Uruguay; †Institut de Recherche pour le Développement, Montpellier, France; ‡Universidad Mayor de San Simón, Cochabamba, Bolivia; §Universidad de Valencia, Valencia, Spain

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Table 3

Haploid DNA contents (C-value) expressed in pg (mean and standard deviation), measured by flow cytometry, in 42 T. infestans specimens from different populationsa

Origin Population analyzedb N Haploid DNA content
mean and SD (pg)c
Bolivia (Andean)
Jamach’Uma. D. [3]
4
1. 842 + 0.201
Bolivia (Andean)
Jamach’Uma. S. [3]
4
1. 835 + 0.140
Bolivia (Andean)
Río Abajo. D. [2]
4
1.799 + 0.140
Paraguay (non-Andean)
Chaco. D. [12]
4
1.494 + 0.170
Brazil (non-Andean)
Caracol and Paratinga. D. [9,10]
3
1.420 + 0.041
Uruguay (non-Andean)
Northern populations. P. D. [16]
13
1.414 + 0.106
Argentine (non-Andean)
Cruz del Eje and Moreno. P. D. [13,14]
6
1.352 + 0.094
Bolivia (non-Andean) Santa Cruz. S. Dark morphs [11] 4 1.320 + 0.046

an, number of specimens analyzed; P, peridomiciliary; D, domiciliary; S, sylvatic.
bNumbers in brackets refer to the location of the populations in Figure 1.
cSignificant differences (p < 0.001) were detected in C-values between Andean (1.825 + 0.149) and non-Andean (1.401 + 0.111) grouped samples.

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