QUICK SEARCH:   [advanced] Author: Keyword(s):
Home     Help     Feedback     Subscriptions     Archive     Search     Table of Contents

This Article Summary Full Text Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Reisenman, C. E. Articles by Lazzari, C. R. Search for Related Content PubMed PubMed Citation Articles by Reisenman, C. E. Articles by Lazzari, C. R. Social Bookmarking                         What's this?

Light-induced and circadian changes in the compound eye of the haematophagous bug Triatoma infestans (Hemiptera: Reduviidae)

Carolina E. Reisenman^*, Teresita C. Insausti and Claudio R. Lazzari

Laboratorio de Fisiología de Insectos, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina
^* Present address: ARL Division of Neurobiology, University of Arizona, PO Box 210077, Tucson, AZ 85721-0077, USA

View larger version (50K): [in a new window]   Fig. 1. Schematic representation of a dark- (left) and a light- (right) adapted ommatidium of Triatoma infestans. Transverse sections at different levels of the light-adapted ommatidium are also shown on the far right. bm, basal membrane; Co, cornea; Cc, crystalline cone; N, nucleus of the retinula cell; PPC, primary pigment cell; S, sphaeroid; SPC, secondary pigment cell; R, retinula cell; rh, rhabdomere; Rp, retinal pigment.

View larger version (116K): [in a new window]   Fig. 2. Longitudinal (left) and transverse (right) sections of eyes of Triatoma infestans kept in LD conditions (140 µW cm–2:0 µW cm–2) and fixed during the day (A,B) and during the night (C,D). Co, cornea; Cc, crystalline cone; PPC, primary pigment cell; SPC, secondary pigment cell; rh, rhabdomere; Rp, retinal pigment. Scale bars: 25 µm (A,B), 30 µm (C), 50 µm (D).

View larger version (126K): [in a new window]   Fig. 3. Longitudinal (left) and transverse (right) sections of eyes of Triatoma infestans kept in DD conditions and fixed during the subjective day (A,B) and during the subjective night (C,D). Co, cornea; Cc, crystalline cone; PPC, primary pigment cell; SPC, secondary pigment cell; rh, rhabdomere; Rp, retinal pigment. Scale bars, 25 µm.

View larger version (137K): [in a new window]   Fig. 4. Longitudinal (left) and transverse (right) sections of eyes of Triatoma infestans kept in LL conditions and fixed during the subjective day (A,B) and during the subjective night (C,D). Co, cornea; Cc, crystalline cone; N, nucleus of the retinula cell; PPC, primary pigment cell; S, sphaeroid; SPC, secondary pigment cell; rh, rhabdomere; Rp, retinal pigment. Scale bars: 25 µm (A), 30 µm (B,C), 20 µm (D).

View larger version (130K): [in a new window]   Fig. 5. (A,B) Longitudinal sections of eyes of Triatoma infestans kept in LD conditions (8 µW cm–2:0 µW cm–2) and fixed during the day (A) and during the night (B). (C,D) Longitudinal sections of eyes of insects kept in LL conditions (8 µW cm–2) and fixed during the subjective day (C) and during the subjective night (D). Co, cornea; Cc, crystalline cone; N, nucleus of the retinula cell; PPC, primary pigment cell; S, sphaeroid; SPC, secondary pigment cell; rh, rhabdomere; Rp, retinal pigment. Scale bars: 25 µm (A,C), 30 µm (B,D).

CiteULike

Complore

Connotea

Del.icio.us

Digg

Reddit

Technorati

Twitter