Cell and Tissue Research

, Volume 352, Issue 2, pp 313–326 | Cite as

Ultrastructural and functional analysis of secretory goblet cells in the midgut of the lepidopteran Anticarsia gemmatalis

  • F. M. Gomes
  • D. B. Carvalho
  • E. A. Machado
  • K. Miranda
Regular Article


Defoliation caused by Anticarsia gemmatalis larvae affects the commercial production of the soybean. Although regulation of the digestion of soybean components has become part of the suggested strategy to overcome problems caused by Anticarsia larvae, few studies have focused on the morphological and cellular aspects of Anticarsia intestinal tissue. We have therefore further analyzed the morphology and ultrastructure of the midgut of 5th instar larvae of A. gemmatalis. Dissected midgut was subjected to chemical or cryo-fixation and then to several descriptive and analytical techniques associated with both light and electron microscopy in order to correlate anatomical and physiological aspects of this organ. Histological analysis revealed typical anatomy composed of a cell layer limited by a peritrophic membrane. The identified lepidoptera-specific goblet cells were shown to contain several mitochondria inside microvilli of the goblet cell cavity and a vacuolar H+-ATPase possibly coupled to a K+-pumping system. Columnar cells were present and exhibited microvilli dispersed along the apical region that also presented secretory characteristics. We additionally found evidence for the secretion of polyphosphate (PolyP) into the midgut, a result corroborating previous reports suggesting an excretion route from the goblet cell cavity toward the luminal space. Thus, our results suggest that the Anticarsia midgut not only possesses several typical lepidopteran features but also presents some unique aspects such as the presence of a tubular network and PolyP-containing apocrine secretions, plus an apparent route for the release of cellular debris by the goblet cells.


Goblet cell Polyphosphate Ultrastructure Midgut Lepidoptera Anticarsia gemmatalis 



We express our gratitude to Prof. Helmut Wieczorek and Dr. Markus Huss, University of Osnabrück for providing antibodies of the subunit e M. sexta and to Dr. Eduardo Fox and Prof. Wanderley de Souza for proofreading.

Supplementary material

441_2013_1563_Fig7_ESM.jpg (41 kb)
Supplemental figure 1

a Whole tissue immunohistochemistry with anti-pHH3 of the gut of Anticarsia larvae under ecdysis showing a banding pattern at discrete regions of the gut. The black bars above mark the regions stained by the antibodies. The graph below represents the relative intensity of the staining along the gut axial length. b TEM image showing the organization of cells at the basal lamina during the 5th instar. Inset position of the regenerative cells (asterisk) close to the basal lamina (bl, BL) and below a goblet cell (gc) cavity. c TEM image showing cells during ecdysis from the 4th to 5th instar. Note that they present a densely packed organization (gc goblet cell). Bar: B – 5 μm, B, inset – 15 μm, C – 5 μm. (JPEG 40 kb)

441_2013_1563_MOESM1_ESM.tif (1.3 mb)
High resolution image (TIFF 1292 kb)
441_2013_1563_Fig8_ESM.jpg (6 kb)
Supplemental figure 2

Typical electron probe X-ray microanalysis of the vesicles depicted in Fig. 2 prepared from high-pressure frozen tissues, freeze-substituted in the presence of KF as a calcium precipitating agent. (JPEG 5 kb)

441_2013_1563_MOESM2_ESM.tif (67 kb)
High resolution image (TIFF 66 kb)

(MP4 5596 kb)


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© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Laboratório de Ultraestrutura Celular Hertha Meyer, Instituto de Biofísica Carlos Chagas Filho and Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e BioimagensUniversidade Federal do Rio de JaneiroRio de JaneiroBrazil
  2. 2.Laboratório de Entomologia Médica, Instituto de Biofísica Carlos Chagas FilhoUniversidade Federal do Rio de JaneiroRio de JaneiroBrazil
  3. 3.Laboratório de Biotecnologia, Diretoria de ProgramasInstituto Nacional de Metrologia, Qualidade e TecnologiaRio de JaneiroBrazil

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