Notes on Midgut Ultrastructure of Cimex hemipterus (Hemiptera: Cimicidae)

被引:39
作者
Azevedo, Dhiego Oliveira [1 ,2 ]
Neves, Clovis Andrade [1 ]
dos Santos Mallet, Jacenir Reis [3 ]
Monte Goncalves, Teresa Cristina [3 ]
Zanuncio, Jose Cola [2 ]
Serrao, Jose Eduardo [1 ]
机构
[1] Univ Fed Vicosa, Dept Biol Geral, BR-36570000 Vicosa, MG, Brazil
[2] Univ Fed Vicosa, Dept Biol Anim, BR-36570000 Vicosa, MG, Brazil
[3] Inst Oswaldo Cruz, Dept Entomol, BR-21045900 Manguihos, RJ, Brazil
关键词
blood digestion; Triatominae; spherocrystals; perimierovillar membranes; STINGLESS BEES HYMENOPTERA; PROLIXUS STAL HEMIPTERA; RHODNIUS-PROLIXUS; DIGESTIVE CELLS; BLOOD DIGESTION; PERIMICROVILLAR MEMBRANES; TRIATOMA-INFESTANS; ANTERIOR MIDGUT; REDUVIIDAE; HETEROPTERA;
D O I
10.1603/033.046.0304
中图分类号
Q96 [昆虫学];
学科分类号
摘要
This work studied the ultrastructure of the midgut cells of Cimex hemipterus Fabricius (Hemiptera: Cimicidae). The midgut of adult insects was analyzed on different days after a bloodmeal, and three anatomical regions with different digestive functions were apparent. In the anterior midgut, the digestive cells had many spherocrystals, lipid inclusions, and glycogen deposits, suggesting a role in water absorption, ion regulation, digestion, and storage of lipids and sugars. The digestive cells in the middle midgut contained secretory granules in the apical cytoplasm, lysosomes, rough endoplasmic reticulum, and spherocrystals, suggesting digestion and ion/water absorption. Also there was strong evidence that the posterior midgut may be the major site of nutrient absorption. The hematophagous heteropteran groups share many of thses blood digestion mechanisms.
引用
收藏
页码:435 / 441
页数:7
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