Exposure of malaria vector larval habitats to domestic pollutants escalate insecticides resistance: experimental proof (Record no. 19331)

MARC details
000 -LEADER
fixed length control field 03651nam a22003137a 4500
003 - CONTROL NUMBER IDENTIFIER
control field OSt
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20240305193723.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 221107b |||||||| |||| 00| 0 eng d
028 ## - PUBLISHER OR DISTRIBUTOR NUMBER
Source Phone: +255 28 298 3384
Source Fax: +255 28 298 3386
Source Email: vc@bugando.ac.tz
Source Website: www.bugando.ac.tz
040 ## - CATALOGING SOURCE
Transcribing agency DLC
041 ## - LANGUAGE CODE
Language code of text/sound track or separate title English
100 ## - MAIN ENTRY--PERSONAL NAME
Personal name Fortunatus D Shayo,
9 (RLIN) 45169
222 ## - KEY TITLE
Key title Pollutant Anopheles gambiae Anopheles arabiensis habitats Domestic Tanzania Resistance
245 ## - TITLE STATEMENT
Title Exposure of malaria vector larval habitats to domestic pollutants escalate insecticides resistance: experimental proof
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Place of publication, distribution, etc. Mwanza:
Name of publisher, distributor, etc. Springer International Publishing &
-- Tanzania Catholic University of Health and Allied Sciences [CUHAS – Bugando]
Date of publication, distribution, etc. 19 February 2020
300 ## - PHYSICAL DESCRIPTION
Extent Pages 729-740
490 ## - SERIES STATEMENT
Volume/sequential designation International Journal of Tropical Insect Science Volume 40 Issue 4
520 ## - SUMMARY, ETC.
Summary, etc. Abstract<br/><br/>Poor domestic waste management in unplanned urban areas have resulted into formation of polluted potential malaria vector larval habitats. Most of these larval habitats are contaminated with domestic pollutants such as hydrogen peroxide and detergents. The present study was designed to evaluate the susceptibility status of Anopheles gambie and Anopheles arabiensis to commonly used insecticides after being exposed to hydrogen peroxide and soap detergents in northern Tanzania. Anopheles gambiae s.s larvae were collected from the laboratory colony whereas those for An. arabiensis were sampled from the rice field in lower Moshi. The larvae were reared in two arms, larval habitats in arm one had water containing soaps while in arm two, the larval habitats contained hydrogen peroxide at different concentrations (0.001%, 0.0001%,0.00001% and 0.000001%). Emerging adult’s female of the two Anopheles species from the two larval habitats were exposed to 0.75% and 0.05% of permethrin and deltamethrin WHO Insecticides impregnated standard papers. Knockdown rates were observed for 1 h and mortality rates within 24 h after exposure. Regression analysis was performed using probit analysis to establish knockdown rates and lethal concentration for 50% and 95%. The wild and laboratory anopheles populations reared in detergent or hydrogen peroxide in different concentrations showed reduced susceptibility to permethrin and deltamethrin. The median knockdown time for 50% of the population (KDT50) ranged between 13.52 min (10.98–19.74) to 30.67 min (28.53–34.34) while the KDT95 raised between 32.01 min (29.47–38.23) to 111.84 min (109.70–115.54) for those reared in detergent and exposed to deltamethrin and permethrin. For those reared in hydrogen peroxide and exposed to deltamethrin and permethrin, KDT50 ranged between 8.24 min (6.92–13.51) to 24.28 min(22.70–27.46) while KDT95 ranged between 25.94 min(24.62–31.21) to 118.68 min(117.10–121.86). Mortality of wild population exposed to standard insectides treated papers after reared in detergent ranged between 40 to 95.3% while for those reared in hydrogen peroxide ranged between 67 to 95.3%. The findings of this study demonstrate that domestic waste pollutants such as hydrogen peroxide and soaps are partly associated with reduced susceptibility to insecticides among potential malaria vectors.
700 ## - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 45170
9 (RLIN) 45032
9 (RLIN) 45016
9 (RLIN) 22835
9 (RLIN) 44252
856 ## - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://doi.org/10.1007/s42690-020-00123-w">https://doi.org/10.1007/s42690-020-00123-w</a>
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme ddc
Koha item type RESEARCH ARTICLES
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