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Automontage microscopy and SEM: A combined approach for documenting ancient lice
Indexado
WoS WOS:000585298500004
Scopus SCOPUS_ID:85091644789
DOI 10.1016/J.MICRON.2020.102931
Año 2020
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Human ectoparasites, including lice, have been recovered from a wide range of archaeological materials. The human head louse, Pediculus humanus capitis, has been identified from mummies and sediments for decades. Louse eggs are the body part most commonly encountered and therefore the most frequently quantified. Typi-cally, several types of microscopy are applied for egg documentation. For studies in which quantification of infestation is a goal, counting is done with the naked eye or with the aid of handheld lenses. For determination and stage classification, stereomicroscopy is commonly used. For more detailed examination of microstructure, light microscopy, scanning electron microscopy (SEM), and confocal laser scanning microscopy (CLSM) can be employed. In most reports, researchers use two or more techniques to accomplish interrelated goals. Automontage microscopy is used to document prehistoric arthropods with good success. Herein, we report the results of a combination of SEM and automontage microscopy to document lice and eggs recovered from South American mummies. This combined approach allows for simultaneous examination of internal and external characteristics. Thirty automontage composite images of 2 adult lice and 16 eggs showed that egg internal morphologies were easily examined showing the within-egg anatomy of emergent nymphs. SEM imaging of 9 lice and 129 eggs was completed. In the case of two adults and several eggs, SEM imaging was accomplish after automontage image capture of the same specimens. This one-to-one image comparison of SEM and automontage shows that transmitted light of automontage reveals egg internal structures and details of the adult lice. SEM allows for high magnification examination of egg, nymph and adult microstructures. We conclude that automontage imaging followed by SEM results in efficient graphic documentation of rare louse specimens.

Revista



Revista ISSN
Micron 0968-4328

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Disciplinas de Investigación



WOS
Microscopy
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Reinhard, Karl J. Hombre Univ Nebraska - Estados Unidos
University of Nebraska–Lincoln - Estados Unidos
School of Natural Resources - Estados Unidos
2 de Araujo, Elisa Pucu Mujer Univ Fed Fluminense - Brasil
Universidade Federal Fluminense - Brasil
2 Pucu de Araújo, Elisa Mujer Universidade Federal Fluminense - Brasil
3 Searcey, Nicole A. Mujer Universidad de Tarapacá - Chile
4 Buikstra, Jane E. Mujer Arizona State Univ - Estados Unidos
Arizona State University - Estados Unidos
5 Morrow, Johnica J. - South Dakota Sch Mines & Technol - Estados Unidos
South Dakota School of Mines & Technology - Estados Unidos

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Financiamiento



Fuente
National Science Foundation
NSF
University of Nebraska State Museum
School of Natural Resources within the University of Nebraska-Lincoln
UCARE
University of Nebraska-Lincoln Undergraduate Creative Activities and Research Experiences Program
University of Nebraska-Lincoln, Center for Biotechnology
NSF/BSandI Multi-user Equipment

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
The mummy recovery was accomplished with NSF funding to Dr. Jane Buikstra (BNS89-20769). The authors would like to thank the University of Nebraska-Lincoln Undergraduate Creative Activities and Research Experiences Program (UCARE) for lab support. The SEM imaging was done in the University of Nebraska-Lincoln, Center for Biotechnology, Morrison Microscopy Core Research Facility. We thank Christian Elowsky and Han Chen for their assistance in image procurement and figure development. We also thank the School of Natural Resources within the University of Nebraska-Lincoln. Automontage images in this research were taken in the Biodiversity Synthesis Laboratory of the University of Nebraska State Museum (NSF/BSandI Multi-user Equipment grant DBI 0500767 to M. L. Jameson and F. C. Ocampo).
The mummy recovery was accomplished with NSF funding to Dr. Jane Buikstra (BNS89-20769). The authors would like to thank the University of Nebraska-Lincoln Undergraduate Creative Activities and Research Experiences Program (UCARE) for lab support. The SEM imaging was done in the University of Nebraska-Lincoln, Center for Biotechnology, Morrison Microscopy Core Research Facility. We thank Christian Elowsky and Han Chen for their assistance in image procurement and figure development. We also thank the School of Natural Resources within the University of Nebraska-Lincoln. Automontage images in this research were taken in the Biodiversity Synthesis Laboratory of the University of Nebraska State Museum (NSF/BSandI Multi-user Equipment grant DBI 0500767 to M. L. Jameson and F. C. Ocampo).

Muestra la fuente de financiamiento declarada en la publicación.