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Establishment of continuously in vitro growing cell lines of med-fly (Ceratitis capitata wied.)
Abstract:
The Mediterranean fruit fly, Ceratitis capitata Wiedemann, represents an extremely harmful insect pest of considerable agricultural and economic interest. As part of the study of this species, two diploid cell lines (2n = 12) of the Med-fly were established in vitro on two different culture media. The two lines were obtained from embryonic eggs 24 (+/- 1) hours old and were called CEC CC 128 and CEC CC 130. Detailed descriptions are given of the techniques used for the preparation of the primary cultures, their development and characterization, the choice and composition of the culture media and the intrinsic characteristics of the lines obtained. Indications of other elements are given, such as different cells, non cellular vesicles and glands containing symbiotic bacteria, observable in the first phase of development of the culture, before obtaining continuously growing cell lines. The doubling time of the population for both cell lines were estimated at 22 hours and the interval between successive sub-cultures at 7 days.
Insights
Two new diploid cell lines, CEC CC 128 and CEC CC 130, were established from Mediterranean fruit fly (Ceratitis capitata) embryos. These cell lines offer valuable tools for studying this significant agricultural pest.
Area of Science:
- Entomology
- Cell Biology
- Insect Pest Management
Background:
- The Mediterranean fruit fly (Ceratitis capitata) is a major agricultural pest with significant economic impact.
- Establishing stable cell lines is crucial for in vitro research on insect pests.
Purpose of the Study:
- To establish and characterize two novel diploid cell lines from the Mediterranean fruit fly.
- To provide tools for further research into Ceratitis capitata biology and control.
Main Methods:
- Primary cultures were initiated from embryonic eggs (24 ± 1 hours old).
- Two distinct culture media were utilized for cell line establishment and maintenance.
- Cell line development, characterization, and growth parameters were monitored.
Main Results:
- Two diploid cell lines, CEC CC 128 and CEC CC 130, were successfully established.
- The doubling time for both cell lines was determined to be approximately 22 hours.
- An interval of 7 days between successive sub-cultures was established.
Conclusions:
- The established cell lines (CEC CC 128 and CEC CC 130) are viable for in vitro studies of Ceratitis capitata.
- These cell lines represent a valuable resource for research on this economically important insect pest.
