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Polyandrous Mexican Fruit Flies: Second Male Paternity and Biological Attributes of Transgenic Strains. INSECTS 2021; 13:insects13010005. [PMID: 35055847 PMCID: PMC8778255 DOI: 10.3390/insects13010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 12/01/2021] [Accepted: 12/06/2021] [Indexed: 11/29/2022]
Abstract
Simple Summary The Mexican fruit fly is an important pest of certain fruits. As part of its control, the Sterile Insect Technique (SIT) is used. This is an environmentally friendly means of control where insects are mass-reared, sterilized, and then released into areas where the pest is found. Sterile insects are dyed with a fluorescent pigment before release, to distinguish them from the wild population. The efficiency of this technique can be diminished if wild females first mate with a sterile male and then with a wild male. For the Mexican fruit fly, several transgenic strains have been developed that express a fluorescent protein marker for field detection, and are also used as reporters in the creation of strains with complex genetic systems. Here, we report on the biological attributes, mating competitiveness, and the proportion of paternity gained by the second male in twice-mated females with males from two transgenic strains. We found that the males expressing green florescence (443-G) had a better overall performance than the males expressing red fluorescence (419-R). We also found that females produced progeny mostly from the second male to mate with her. This could affect release ratios and diminish the efficiency of the SIT if wild females mate first with a sterile male but remate with a wild male, as she will then lay fertile eggs. These findings are helpful towards delimiting which strains can be used in the future, and determining the proportion of sterile to wild individuals that need to be released in affected areas, for the more efficient control of the Mexican fruit fly. Abstract Anastrepha ludens (Diptera: Tephritidae), is a damaging agricultural pest. Currently, the Sterile Insect Technique (SIT) is used as part of its control. The SIT consists of the mass-rearing, sterilization, and release of insects in target areas. Sterile males mate with wild females, and prevent them from laying fertile eggs. However, even if females mate with sterile males, they can then remate with a second male. If this second male is wild, then this could reduce the efficiency of the SIT by producing viable offspring. The amount of progeny produced by second males (P2 values) for A. ludens is unknown. Here, we evaluated the biological attributes, mating competitiveness, and the proportion of male paternity gained by the second male, using strains that carry fluorescent marker genes and can be potentially used to develop transgenic sexing strains. Furthermore, the transgenic strains were irradiated, to test their ability to induce sterility in females. We found that the 443-G strain had significantly higher larval survival than the 419-R strain. No significant difference was found between the two strains in their mating probability with wild females. We found P2 values between 67 and 74% for the 419-R and the 443-G strain, respectively. Second male sperm precedence only decreased slightly after 12 days, suggesting that sperm from the first and second male is not mixing with time, but rather the second male’s sperm prevails. Furthermore, sterile 443-G males induced significantly higher sterility in females than sterile males from the 419-R strain. The apparent lower ability of the 443-G strain to inhibit female remating should be further investigated. Knowledge of the pre and postcopulatory performance of transgenic strains will help in understanding their potential for control.
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Gutierrez AP, Ponti L, Neteler M, Suckling DM, Cure JR. Invasive potential of tropical fruit flies in temperate regions under climate change. Commun Biol 2021; 4:1141. [PMID: 34593969 PMCID: PMC8484444 DOI: 10.1038/s42003-021-02599-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 08/24/2021] [Indexed: 02/08/2023] Open
Abstract
Tropical fruit flies are considered among the most economically important invasive species detected in temperate areas of the United States and the European Union. Detections often trigger quarantine and eradication programs that are conducted without a holistic understanding of the threat posed. Weather-driven physiologically-based demographic models are used to estimate the geographic range, relative abundance, and threat posed by four tropical tephritid fruit flies (Mediterranean fruit fly, melon fly, oriental fruit fly, and Mexican fruit fly) in North and Central America, and the European-Mediterranean region under extant and climate change weather (RCP8.5 and A1B scenarios). Most temperate areas under tropical fruit fly propagule pressure have not been suitable for establishment, but suitability is predicted to increase in some areas with climate change. To meet this ongoing challenge, investments are needed to collect sound biological data to develop mechanistic models to predict the geographic range and relative abundance of these and other invasive species, and to put eradication policies on a scientific basis.
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Affiliation(s)
- Andrew Paul Gutierrez
- Center for the Analysis of Sustainable Agricultural Systems (www.casasglobal.org), Kensington, CA, USA.
- Division of Ecosystem Science, College of Natural Resources, University of California, Berkeley, CA, USA.
| | - Luigi Ponti
- Center for the Analysis of Sustainable Agricultural Systems (www.casasglobal.org), Kensington, CA, USA.
- Agenzia nazionale per le nuove tecnologie, l'energia e lo sviluppo economico sostenibile (ENEA), Centro Ricerche Casaccia, Roma, Italy.
| | | | - David Maxwell Suckling
- The New Zealand Institute for Plant and Food Research Ltd., Christchurch, New Zealand
- School of Biological Sciences, The University of Auckland, Auckland, New Zealand
| | - José Ricardo Cure
- Center for the Analysis of Sustainable Agricultural Systems (www.casasglobal.org), Kensington, CA, USA
- Facultad de Ciencias Básicas y Aplicadas, Universidad Militar Nueva Granada, Bogotá, Colombia
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Malod K, Roets PD, Bosua H, Archer CR, Weldon CW. Selecting on age of female reproduction affects lifespan in both sexes and age-dependent reproductive effort in female (but not male) Ceratitis cosyra. Behav Ecol Sociobiol 2021. [DOI: 10.1007/s00265-021-03063-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Aceves-Aparicio E, Pérez-Staples D, Arredondo J, Corona-Morales A, Morales-Mávil J, Díaz-Fleischer F. Combined Effects of Methoprene and Metformin on Reproduction, Longevity, and Stress Resistance in Anastrepha ludens (Diptera: Tephritidae): Implications for the Sterile Insect Technique. JOURNAL OF ECONOMIC ENTOMOLOGY 2021; 114:142-151. [PMID: 33558906 DOI: 10.1093/jee/toaa295] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Indexed: 06/12/2023]
Abstract
Survival and mating success are traits of quality in mass-reared sterile males. Thus, studying the trade-offs between these traits may help to improve process in the sterile insect technique (SIT). Here, we tested the hypothesis that modifying individual metabolism, especially of energetic reserves, may reduce the negative impact of an early reproduction on the survival of Anastrepha ludens flies. Appling metformin (a drug used to treat type II diabetes) that improves insects' survival, through dietary restriction mimicry, and methoprene (a juvenile hormone analogue) that accelerates the age to reproduction in insects, we explore the dynamic of this trade-off. We fed A. ludens flies with metformin, methoprene, or a mixture of metformin-methoprene for five consecutive days. We determined the effect of these treatments on the fecundity and fertility (number of eggs and percentage of hatching) of females, on sexual maturation and mating success of males, and on the survival of both sexes. The results showed that the acceleration in sexual maturation by the action of methoprene significantly reduced survival in both sexes of two different fly strains. However, adding metformin to the diet buffered this negative effect, without reducing the mating propensity compared with the males treated only with methoprene. The response to metformin was sex-specific since females responded to high doses of the substance, whereas males responded better to low doses. These results suggest that trade-offs between survival and reproduction do not necessarily depend on energy reserves but they are intrinsically related to metabolic regulation and hormonal control.
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Affiliation(s)
| | | | - José Arredondo
- MOSCAFRUT, Subdirección de Desarrollo de Métodos, SADER-IICA, Metapa de Domínguez, Chiapas, México
| | - Aleph Corona-Morales
- Facultad de Nutrición, Universidad Veracruzana, Médicos, U. H del Bosque, CP, Xalapa, Veracruz, México
| | - Jorge Morales-Mávil
- Instituto de Neuroetología, Universidad Veracruzana, Av. Dr. Luis Castelazo, Industrial de las ánimas, CP, Xalapa, Veracruz, México
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Distinctive egg-laying patterns in terminal versus non-terminal periods in three fruit fly species. Exp Gerontol 2020; 145:111201. [PMID: 33316371 DOI: 10.1016/j.exger.2020.111201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 11/18/2020] [Accepted: 12/08/2020] [Indexed: 11/22/2022]
Abstract
The specific objective of this study was to use a logistic regression model for determining the degree to which egg laying patterns of individual females at the end of life (i.e., terminal segments) in each of three different fruit fly species could be distinguished from the egg-laying patterns over a similar period in midlife (i.e., non-terminal segments). Extracting data from large-scale databases for 11-day terminal and 11-day non-terminal segments in the vinegar fly (Drosophila melanogaster), the Mexican fruit fly (Anastrepha ludens) and the Mediterranean fruit fly (Ceratitis capitata) and organizing the model's results in a 2 × 2 contingency table, we found that: (1) daily egg-laying patterns in fruit flies can be used to distinguish terminal from non-terminal periods; (2) the overall performance metrics such as precision, accuracy, false positives and true negatives depended heavily on species; (3) differentiating between terminal and non-terminal segments is more difficult when flies die at younger ages; and (4) among the three species the best performing metrics including accuracy and precision were those produced using data on D. melanogaster. We conclude that, although the reliability of the prediction of whether a segment occurred at the end of life is relatively high for most species, it does not follow precisely predicting remaining life will also be highly reliable since classifying an end of life period is a fundamentally different challenge than is predicting an exact day of death.
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González-López GI, Solís-Echeverría E, Díaz-Fleischer F, Pérez-Staples D. When Less Is More: Sex Ratios for the Mass-Rearing of Anastrepha ludens (Diptera: Tephritidae). JOURNAL OF ECONOMIC ENTOMOLOGY 2019; 112:2997-3001. [PMID: 31298285 DOI: 10.1093/jee/toz185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Indexed: 06/10/2023]
Abstract
Anastrepha ludens (Loew) is one of the most important pests of citrus and mango crops in Mexico. A method used to control this pest is the sterile insect technique, which consists in the mass production, irradiation, and release of insects in affected areas. The production of insects begins with the establishment of colonies to produce eggs, which must be highly fertile to ensure an adequate production of larvae. However, female fecundity and fertility can be affected by adult density and sex ratio, thus an optimal sex ratio in mass-rearing cages must be used. The genetic sexing strain of A. ludens (Tapachula-7) allows the identification of the sex at the pupal stage, making it possible to establish rearing cages with different sex ratios. We determined if different sex ratios have an effect on egg production. Two sex ratios (4♀: 1♂ and 1♀: 1♂) were compared. Fecundity, fertility and survival at different ages were also determined. Higher fertility and fecundity per female were observed at a ratio of 4:1. However, females with higher fecundity had reduced survival probabilities. In conclusion, maintaining colonies with a lower proportion of males in cages ensures a greater fecundity and fertility. Further research is necessary to understand whether results can be attributed to lower male harassment in cages.
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Affiliation(s)
- G I González-López
- Facultad de Ciencias Agrícolas, Universidad Veracruzana, Circuito Gonzalo Aguirre Beltrán S/N, Xalapa, Veracruz, México
- Programa Moscafrut DGSV-SENASICA, Camino a los Cacahotales S/N, Metapa de Domínguez, Chiapas, México
| | - E Solís-Echeverría
- Programa Moscafrut DGSV-SENASICA, Camino a los Cacahotales S/N, Metapa de Domínguez, Chiapas, México
| | - F Díaz-Fleischer
- INBIOTECA, Universidad Veracruzana, Av. de las Culturas Veracruzanas, Col. E. Zapata, Xalapa, Veracruz, México
| | - D Pérez-Staples
- INBIOTECA, Universidad Veracruzana, Av. de las Culturas Veracruzanas, Col. E. Zapata, Xalapa, Veracruz, México
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Herrera-Cruz M, Abraham S, Nuñez-Beverido N, Flores-Estévez N, Reyes-Hernández M, Alvarado M, Pérez-Staples D. Male age and strain affect ejaculate quality in the Mexican fruit fly. INSECT SCIENCE 2018; 25:703-711. [PMID: 28217884 DOI: 10.1111/1744-7917.12446] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 12/23/2016] [Accepted: 01/11/2017] [Indexed: 06/06/2023]
Abstract
Aging in all organisms is inevitable. Male age can have profound effects on mating success and female reproduction, yet relatively little is known on the effects of male age on different components of the ejaculate. Furthermore, in mass-reared insects used for the Sterile Insect Technique, there are often behavioral differences between mass-reared and wild males, while differences in the ejaculate have been less studied. The ejaculate in insects is composed mainly of sperm and accessory gland proteins. Here, we studied how male age and strain affected (i) protein quantity of testes and accessory glands, (ii) the biological activity of accessory gland products injected into females, (iii) sperm viability, and (iv) sperm quantity stored by females in wild and mass-reared Anastrepha ludens (Diptera: Tephritidae). We found lower protein content in testes of old wild males and lower sperm viability in females mated with old wild males. Females stored more sperm when mated to young wild males than with young mass-reared males. Accessory gland injections of old or young males did not inhibit female remating. Knowledge of how male age affects different ejaculate components will aid our understanding on investment of the ejaculate and possible postcopulatory consequences on female behavior.
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Affiliation(s)
- Mariana Herrera-Cruz
- Cátedra CONACYT- Facultad de Medicina y Cirugía, Universidad Autónoma "Benito Juárez" de Oaxaca, Oaxaca, México
| | - Solana Abraham
- Laboratorio de Investigaciones Ecoetológicas de Moscas de la Fruta y sus Enemigos Naturales (LIEMEN), PROIMI, Tucumán, Argentina
- CONICET, Argentina
| | - Nicolas Nuñez-Beverido
- INBIOTECA, Universidad Veracruzana, Xalapa, Veracruz, Mexico
- Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Veracruz, Mexico
| | | | | | - Mayvi Alvarado
- Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Veracruz, Mexico
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Tejeda MT, Arredondo‐Gordillo J, Orozco‐Dávila D, Quintero‐Fong L, Díaz‐Fleischer F. Directional selection to improve the sterile insect technique: Survival and sexual performance of desiccation resistant Anastrepha ludens strains. Evol Appl 2017; 10:1020-1030. [PMID: 29151857 PMCID: PMC5680626 DOI: 10.1111/eva.12506] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2017] [Accepted: 06/05/2017] [Indexed: 01/10/2023] Open
Abstract
The sterile insect technique (SIT) is an effective, environmentally friendly method for insect control whose success depends on the sexual performance and survival of sterile males. These two parameters are influenced by environmental conditions of target areas, and releasing insects with a higher tolerance to stressful environments can improve SIT efficiency. Directional selection can be used to produce insect strains with higher tolerance to extreme environmental conditions, such as low humidity, for extended periods. We evaluated, under field cage conditions, the sexual competitiveness, sexual compatibility, and survival of strains of Anastrepha ludens (Loew) selected for desiccation resistance to determine the value of directional selection as a possible approach to enhance SIT efficiency. Fly strains (selected and unselected and those mass-reared) were exposed to stressful conditions of low humidity and food and water deprivation for 24 hr before test. As a control, mild conditions without the stressors were used. No differences in sexual competitiveness and sexual compatibility between selected, nonselected, and mass-reared strains were observed when previously exposed to mild conditions. Thus, selection for desiccation resistance does not modified negatively the sexual performance. However, when insects were exposed to stressful conditions, males of selected strains sexually outperform mass-reared males. Additionally, selected strains presented higher survival than mass-reared flies. The approach to integrate directional selection with other technologies in the SIT as well as the implications of using a desiccation-selected strain in the current pest management program is discussed.
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Affiliation(s)
- Marco T. Tejeda
- INBIOTECAUniversidad VeracruzanaXalapaMéxico
- Departamento de Filtrado GenéticoPrograma Moscamed acuerdo SAGARPA‐IICAMetapa de DomínguezMéxico
| | - José Arredondo‐Gordillo
- Departamento de Biología, Ecología y Comportamiento, Desarrollo de MétodosPrograma Moscafrut Acuerdo SAGARPA‐IICAMetapa de DomínguezMéxico
| | - Dina Orozco‐Dávila
- Subdirección de ProducciónPrograma Moscafrut Acuerdo SAGARPA‐IICAMetapa de DomínguezMéxico
| | - Luis Quintero‐Fong
- Departamento de Validación Tecnológica, Desarrollo de MétodosPrograma Moscafrut Acuerdo SAGARPA‐IICAMetapa de DomínguezMéxico
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Tejeda MT, Arredondo J, Liedo P, Pérez-Staples D, Ramos-Morales P, Díaz-Fleischer F. Reasons for success: Rapid evolution for desiccation resistance and life-history changes in the polyphagous flyAnastrepha ludens. Evolution 2016; 70:2583-2594. [DOI: 10.1111/evo.13070] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 08/31/2016] [Accepted: 09/08/2016] [Indexed: 11/29/2022]
Affiliation(s)
- Marco T. Tejeda
- INBIOTECA; Universidad Veracruzana; Xalapa Veracruz 91090 México
- Departamento de Cría; Programa Moscamed acuerdo SAGARPA-IICA; Metapa de Domínguez Chiapas 30860 México
| | - José Arredondo
- Departamento de Biología, Ecología y Comportamiento; Desarrollo de Métodos; Programa Moscafrut acuerdo SAGARPA-IICA Metapa de Domínguez Chiapas 30860 México
| | - Pablo Liedo
- El Colegio de la Frontera Sur; Tapachula Chiapas 30700 México
| | | | - Patricia Ramos-Morales
- UNAM, Facultad de Ciencias; Laboratorio de Genética y Toxicología Ambiental and Drosophila Stock Center México; Distrito Federal 04510 México
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Tejeda MT, Arredondo J, Pérez-Staples D, Ramos-Morales P, Liedo P, Díaz-Fleischer F. Effects of size, sex and teneral resources on the resistance to hydric stress in the tephritid fruit fly Anastrepha ludens. JOURNAL OF INSECT PHYSIOLOGY 2014; 70:73-80. [PMID: 25239667 DOI: 10.1016/j.jinsphys.2014.08.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Revised: 08/21/2014] [Accepted: 08/23/2014] [Indexed: 06/03/2023]
Abstract
Water availability is recognized as one of the most important factors in the distribution and activity of terrestrial organisms. In the case of insects, hydric stress imposes a major challenge for survival because of the small surface-area-to-volume ratio they exhibit. In general, stress resistance is expected to co-vary positively with size; however, this pattern can become obscured in insects that exhibit sexual size dimorphism, as sexes differ in size and/or shape and have dissimilar resource allocations. In the present study, we use an allometric-based approach to (i) assess the desiccation and starvation stress resistance of teneral Anastrepha ludens flies, (ii) disentangle the relationships between resistance, size and sex and (iii) examine the adult fly body differences in water and lipid contents before and after exposure to stress. After controlling for sexual size dimorphism, an allometric increase of resistance with overall size was observed for all stress-based treatments. The scaling exponents that define the proportion of increase resistance varied with size traits and with type and degree of hydric stress. In this allometric relationship, and also in the relationships between mass and wing length and between size and teneral resources, the sexes maintained similar scaling exponents but differed in the intercepts. Males were more resistant to stress than females; this competitive advantage is probably linked to greater amounts of teneral lipids and more water use during stress.
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Affiliation(s)
- M T Tejeda
- INBIOTECA, Universidad Veracruzana, Av. Culturas Veracruzanas No. 101, Col. E. Zapata, CP 91090 Xalapa, Veracruz, Mexico.
| | - J Arredondo
- Departamento de Biología, Ecología y Comportamiento, Desarrollo de métodos, Programa Moscafrut acuerdo SAGARPA-IICA, Camino a cacahoatales S/N, CP 30860 Metapa de Domínguez, Chiapas, Mexico
| | - D Pérez-Staples
- INBIOTECA, Universidad Veracruzana, Av. Culturas Veracruzanas No. 101, Col. E. Zapata, CP 91090 Xalapa, Veracruz, Mexico
| | - P Ramos-Morales
- Laboratorio de Genética y Toxicología Ambiental & Drosophila Stock Center México, Facultad de Ciencias, UNAM, Universidad 3000 Circuito Exterior S/N, C.P. 04510 Ciudad Universitaria, Distrito Federal, Mexico
| | - P Liedo
- El Colegio de la Frontera Sur, Carretera Antiguo Aeropuerto Km 2.5, CP 30700 Tapachula, Chiapas, Mexico
| | - F Díaz-Fleischer
- INBIOTECA, Universidad Veracruzana, Av. Culturas Veracruzanas No. 101, Col. E. Zapata, CP 91090 Xalapa, Veracruz, Mexico
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Chiu JC, Kaub K, Zou S, Liedo P, Altamirano-Robles L, Ingram D, Carey JR. Deleterious effect of suboptimal diet on rest-activity cycle in Anastrepha ludens manifests itself with age. Sci Rep 2014; 3:1773. [PMID: 23639915 PMCID: PMC3642661 DOI: 10.1038/srep01773] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2012] [Accepted: 04/15/2013] [Indexed: 12/26/2022] Open
Abstract
Activity patterns and sleep-wake cycles are among the physiological processes that change most prominently as animals age, and are often good indicators of healthspan. In this study, we used the video-based high-resolution Behavioral Monitoring System (BMS) to monitor the daily activity cycle of tephritid fruit flies Anastrepha ludens over their lifetime. Surprisingly, there was no dramatic change in activity profile with respect to age if flies were consistently fed with a nutritionally balanced diet. However, if flies were fed with sugar-only diet, their activity profile decreased in amplitude at old age, suggesting that suboptimal diet affected activity patterns, and its detrimental effect may not manifest itself until the animal ages. Moreover, by simulating different modes of behavior monitoring with a range of resolution and comparing the resulting conclusions, we confirmed the superior performance of video-based monitoring using high-resolution BMS in accurately representing activity patterns in an insect model.
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Affiliation(s)
- Joanna C Chiu
- Department of Entomology, College of Agricultural and Environmental Sciences, University of California, Davis, CA 95616, USA
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MORAITI CLEOPATRAA, NAKAS CHRISTOST, KÖPPLER KIRSTEN, PAPADOPOULOS NIKOST. Geographical variation in adult life-history traits of the European cherry fruit fly, Rhagoletis cerasi (Diptera: Tephritidae). Biol J Linn Soc Lond 2012. [DOI: 10.1111/j.1095-8312.2012.01930.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Duyck PF, Kouloussis NA, Papadopoulos NT, Quilici S, Carey JR. Exceptional longevity in the tephritid, Ceratitis rosa, a close relative of the Mediterranean fruit fly. JOURNAL OF ECONOMIC ENTOMOLOGY 2012; 105:371-373. [PMID: 22606805 DOI: 10.1603/ec11055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
This study shows that the fruit fly, Ceratitis rosa (Karsch), has a significantly longer life span than the medfly, C. capitata (Wiedemann); the species used as a model organism for the demographics of insect aging. This was somewhat surprising given that both have similar distributions and overlapping niches. We postulate that the greater longevity of C. rosa is related to the fact that it can occupy colder habitats where the availability of suitable host plants may be very unpredictable in both time and space.
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Affiliation(s)
- Pierre-François Duyck
- CIRAD, UPR 26, PRAM-BP 214-97285 Lamentin Cedex 2-Martinique, French West Indies, France.
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Abstract
The broad objective of this paper is to present an overview and synthesis of selected studies on reproduction and aging in two model tephritid fruit fly species including the Mediterranean fruit fly, Ceratitis capitata, and the Mexican fruit fly, Anastrepha ludens. We summarize the research findings from empirical studies and modeling investigations involving reproduction in the two tephritid species. At the end we identify and discuss four general principles regarding reproductive aging in tephritids including reciprocity of reproductive and aging costs, qualitative tradeoffs, plasticity of lifespan and reproduction, and life history constraints and determinacy.
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Affiliation(s)
- James R Carey
- Department of Entomology, University of California, Davis, California 95616, USA.
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Pérez-Staples D, Martínez-Hernández MG, Aluja M. Male Age and Experience Increases Mating Success but Not Female Fitness in the Mexican Fruit Fly. Ethology 2010. [DOI: 10.1111/j.1439-0310.2010.01790.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Jiang CR, Wang JL. Covariate adjusted functional principal components analysis for longitudinal data. Ann Stat 2010. [DOI: 10.1214/09-aos742] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Zou S, Carey JR, Liedo P, Ingram DK, Yu B, Ghaedian R. Prolongevity effects of an oregano and cranberry extract are diet dependent in the Mexican fruit fly (Anastrepha ludens). J Gerontol A Biol Sci Med Sci 2009; 65:41-50. [PMID: 19906819 DOI: 10.1093/gerona/glp176] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Botanicals have numerous health benefits. Here, we used the Mexican fruit fly to screen 14 compounds and botanicals for their prolongevity effects and found an oregano and cranberry mixture (OC) improved survival. We then evaluated prolongevity effects of OC within the context of diet composition. Individual flies were fed 0%, 1%, or 2% OC in one of the three diets containing sugar and yeast extract (SY) at a ratio of 3:1, 9:1, or 24:1. We found that prolongevity effects of OC depended upon dose, gender, and diet composition. The greatest increase in longevity was observed in females fed the SY24:1 diet with 2% OC compared to the non-supplemented diet. OC did not reduce egg laying and, hence, did not compromise fecundity under any dietary condition tested here. This study reveals the prolongevity effects of OC and supports the emerging view that benefits of botanicals on aging depend on diet composition and gender.
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Affiliation(s)
- Sige Zou
- Functional Genomics Unit, Laboratory of Experimental Gerontology, National Institute on Aging, 251 Bayview Boulevard, Baltimore, MD 21224, USA.
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Joyner-Matos J, Upadhyay A, Salomon MP, Grigaltchik V, Baer CF. Genetic (Co)variation for life span in rhabditid nematodes: role of mutation, selection, and history. J Gerontol A Biol Sci Med Sci 2009; 64:1134-45. [PMID: 19671885 DOI: 10.1093/gerona/glp112] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The evolutionary mechanisms maintaining genetic variation in life span, particularly post-reproductive life span, are poorly understood. We characterized the effects of spontaneous mutations on life span in the rhabditid nematodes Caenorhabditis elegans and C. briggsae and standing genetic variance for life span and correlation of life span with fitness in C. briggsae. Mutations decreased mean life span, a signature of directional selection. Mutational correlations between life span and fitness were consistently positive. The average selection coefficient against new mutations in C. briggsae was approximately 2% when homozygous. The pattern of phylogeographic variation in life span is inconsistent with global mutation-selection balance (MSB), but MSB appears to hold at the local level. Standing genetic correlations in C. briggsae reflect mutational correlations at a local scale but not at a broad phylogeographic level. At the local scale, results are broadly consistent with predictions of the "mutation accumulation" hypothesis for the evolution of aging.
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Affiliation(s)
- Joanna Joyner-Matos
- Department of Biology, Eastern Washington University, Cheney, WA 99004-2440, USA.
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Carey JR, Liedo P, Müller HG, Wang JL, Yang W, Molleman F. Leg impairments elicit graded and sex-specific demographic responses in the tephritid fruit fly Anastrepha ludens. Exp Gerontol 2009; 44:541-5. [PMID: 19457447 DOI: 10.1016/j.exger.2009.05.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2008] [Revised: 04/08/2009] [Accepted: 05/07/2009] [Indexed: 11/17/2022]
Abstract
This study was concerned with the impact of different levels of artificial impairment (leg amputations) on male and female survival and female reproduction in the Mexican fruit fly, Anastrepha ludens. We monitored the demographic responses in a total of 100 flies of each sex that were maintained individually in 4x4x10 cm cages and subject to 1-of-11 different leg amputations (plus intact control) including cohorts in which either one front, one middle or one rear leg was severed (3 cohorts total), in which two legs were severed in different front-middle-rear combinations (6 cohorts total), or in which the two middle and one additional leg were severed (2 cohorts total). The two main findings were that: (i) although the effects on mortality of impairments were sex-specific, no universal patterns emerged that applied to either sex; and (ii) reproduction occurred in all cohorts of impaired females. Moderately-impaired flies (e.g. amputation of a single middle leg) laid nearly as many eggs in their lifetime as did intact controls. However, severely impaired flies (i.e. 3 legs amputated) laid significantly fewer eggs.
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Affiliation(s)
- James R Carey
- Department of Entomology, University of California-Davis, One Shields Ave., Davis, CA 95616, USA.
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Carey JR, Harshman LG, Liedo P, Müller HG, Wang JL, Zhang Z. Longevity-fertility trade-offs in the tephritid fruit fly, Anastrepha ludens, across dietary-restriction gradients. Aging Cell 2008; 7:470-7. [PMID: 18346215 DOI: 10.1111/j.1474-9726.2008.00389.x] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Although it is widely known that dietary restriction (DR) not only extends the longevity of a wide range of species but also reduces their reproductive output, the interrelationship of DR, longevity extension and reproduction is not well understood in any organism. Here we address the question: 'Under what nutritional conditions do the longevity-enhancing effects resulting from food restriction either counteract, complement or reinforce the mortality costs of reproduction? To answer this question we designed a fine-grained DR study involving 4800 individuals of the tephritid fruit fly, Anastrepha ludens, in which we measured sex-specific survival and daily reproduction in females in each of 20 different treatments (sugar : yeast ratios) plus 4 starvation controls. The database generated from this 3-year study consisted of approximately 100 000 life-days for each sex and 750 000 eggs distributed over the reproductive lives of 2400 females. The fertility and longevity-extending responses were used to create contour maps (X-Y grid) that show the demographic responses (Z-axis) across dietary gradients that range from complete starvation to both ad libitum sugar-only and ad libitum standard diet (3 : 1 sugar : yeast). The topographic perspectives reveal demographic equivalencies along nutritional gradients, differences in the graded responses of males and females, egg production costs that are sensitive to the interaction of food amounts and constituents, and orthogonal contours (equivalencies in longevity or reproduction) representing demographic thresholds related to both caloric content and sugar : yeast ratios. In general, the finding that lifespan and reproductive maxima occur at much different nutritional coordinates poses a major challenge for the use of food restriction (or a mimetic) in humans to improve health and extend longevity in humans.
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Affiliation(s)
- James R Carey
- Department of Entomology, University of California, Davis, Davis, CA 95616, USA.
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Petrosyan A, Hsieh IH, Saberi K. Age-dependent stability of sensorimotor functions in the life-extended Drosophila mutant methuselah. Behav Genet 2007; 37:585-94. [PMID: 17534708 DOI: 10.1007/s10519-007-9159-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2006] [Accepted: 05/02/2007] [Indexed: 10/23/2022]
Abstract
Methuselah is a Drosophila mutant with a 35% increased lifespan. We examined the robustness of methuselah's sensorimotor abilities in tethered flight as a function of age in experiments designed to test visuomotor synchronization and phototaxis in simulated flight. A total of 282 flies from different age groups (4 hours to 70 days) and genotypes (mth and w1118) were individually tethered under an infrared laser-sensor system that digitally recorded wing-beat frequency (WBF). We found that mth has a higher average WBF throughout most of its lifespan compared to parental control flies (w1118) and develops flight ability at a younger age. Its WBF at late life, however, is not significantly different than that of its parental control line. We further found that mth entrains during flight to motion of a visual grating significantly better than its parental line. These findings suggest that the mth gene not only delays chronological aging but enhances sensorimotor abilities critical to survival during early and middle, but not late life.
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Affiliation(s)
- Agavni Petrosyan
- Department of Cognitive Sciences, University of California, Irvine, CA 92697-5100, USA
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Zou S, Sinclair J, Wilson MA, Carey JR, Liedo P, Oropeza A, Kalra A, de Cabo R, Ingram DK, Longo DL, Wolkow CA. Comparative approaches to facilitate the discovery of prolongevity interventions: effects of tocopherols on lifespan of three invertebrate species. Mech Ageing Dev 2006; 128:222-6. [PMID: 17169403 PMCID: PMC1820625 DOI: 10.1016/j.mad.2006.11.026] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2006] [Revised: 10/31/2006] [Accepted: 11/03/2006] [Indexed: 01/22/2023]
Abstract
Many compounds hold promise for pharmacologic manipulation of aging. However, such claims are difficult to investigate due to time and budget constraints. Here, we took a comparative approach, using short-lived invertebrate species, to directly test the effects of two tocopherols (Vitamin E) on longevity. gamma-Tocopherol represents the most abundant tocopherol in the Western diet, while alpha-tocopherol is selectively enriched in human plasma. Both isoforms demonstrate antioxidant activity and are proposed to have anti-aging activities. We compared the effects of alpha- and gamma-tocopherol supplementation on lifespan in three invertebrate species. gamma-Tocopherol, but not alpha-tocopherol, slightly extended lifespan in nematodes, but neither significantly affected lifespan in two fly species. This study shows that a comparative approach, utilizing multiple invertebrate species, can increase the robustness of invertebrate-based pilot screens for prolongevity interventions.
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Affiliation(s)
- Sige Zou
- National Institute on Aging, Intramural Research Program, NIH, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA
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