Browsing Student Theses (EIBU) by Issue Date

Now showing items 1-20 of 45

Probing the adaptive significance of circadian rhythms using drosophila melanogaster

Vasu, Sheeba (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2001)

Abstract not available
Life-history evolution in laboratory populations of drosophila melanogaster subjected to selection for faster development and early reproduction

Prasad, N.G. (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2003)

Abstract not available
Phenotypic and evolutionary effects of light on circadian clocks and related life history traits in drosophila melanogaster

Paranjpe, Dhanashree (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2005)

Abstract not available
Behavioral and molecular analysis of laboratory populations of drosophila melanogaster selected for early and late adult emergence

Kumar, Shailesh (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2006)

Circadian clocks enhance the chances of survival of organisms living under periodic environment by enabling them to efficiently anticipate periodic events in their environment, because precisely and appropriately timed ...
Variation and covariation In life-history related traits in some species of Drosophila

Bharathi, N. Sharmila (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2006)

Abstract not available
Experimental & theoretical investigation of the dynamics & stability of single populations and metapopulations of drosophila melanogaster in the laboratory

Dey, Sutirth (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2007)

For my doctoral thesis, I have used a combination of experiments and simulations to investigate the various factors that affect the dynamics and stability of spatiallystructured as well as spatially unstructured populations. ...
Egg laying rhythm in drosophila melanogaster

Thondamal, Manjunatha (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2008)

Many behavioral and physiological processes in the fruit fly Drosophila melanogaster show robust circadian oscillation. Some of the best studied circadian rhythms include those in adult emergence, activity/rest, olfaction, ...
Evolution of life-history traits, canalization and reproductive isolation in laboratory populations of drosophila melanogaster selected for faster pre-adult development and early reproduction

Modak, Shampa Ghosh (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2009)

Experimental evolution provides a good framework for testing evolutionary theories and hypotheses (Rose et al. 1996; Prasad and Joshi 2003). Although field studies have been the traditional mode of investigating natural ...
Circadian rhythms of five wild caught species of drosophila

Beigh, M. Muzafar (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2009)

Living organisms have evolved circadian clocks to time their physiological and behavioural activities to stay in tuned with the geophysical world. Signatures of such timing systems can be ...
The genetic architecture of fitness-related traits in populations of three species of drosophila subjected to selection for adaptation to larval crowding

Archana, N. (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2009)

Fitness can be comprehensively defined in terms of reproductive value or the expected future reproductive contribution of an individual, as a function of its age, expectation of survival and expectation of reproduction ...
Reverse evolution and gene expression studies on populations of drosophila melanogaster selected for rapid pre-adult development and early reproduction

Satish, K.M. (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2010)

The fruit fly Drosophila melanogaster has been used in studies of genetics since the early 1900s, and is a powerful model system for both experimental evolution studies based on laboratory selection and studies focussing ...
Role of social interactions in modulating circadian clocks of camponotus ants and drosophila melanogaster

Lone, Shahnaz Rahman (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2011)

Circadian clocks are endogenous time keeping systems whose period is largely protected against changes in ambient conditions. Nevertheless, they can be fine-tuned by environmental time cues (Zeitgebers) in a way that the ...
Behavioral and genetic analyses of fruit fly drosophila melanogaster populations selected for morning and evening adult emergence

Vaze, Koustubh M. (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2012)

Almost all living organisms on the earth perceive robust 24-hr cycles of abiotic variables such as light, humidity and temperature, which occur as an inevitable consequence of unceasing rotation of the earth around its ...
Evolution of precise circadian rhythms in fruit fly Drosophila melanogaster populations selected for adult emergence in a narrow window of time

Nisha, N.K. (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Organismal Biology Unit, 2012)

Organisms ranging from bacteria to mammals exhibit daily rhythms in various behavioural and physiological processes. These 24-hr rhythms are not mere passive responses to environmental cycles because they have been found ...
Large and small ventral lateral neurons play vital roles in circadian arousal circuits in drosophila melanogaster

Potdar, Sheetal (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2012)

Neuronal circuits underline various simple and complex behaviours in animals, which are displayed in response to numerous stimuli in the environment. Drosophila melanogaster offers several simple but effective tools in ...
Correlated response to selection for faster pre-adult development on the circadian clocks of fruit flies drosophila melanogaster

Yadav, Pankaj (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2013)

The Earth rotates around its axis creating alternate day/night cycles to which almost all organisms have adapted to create for themselves a distinct spatio-temporal niche (Pittendrigh, 1993; Sharma, 2003; Dunlap et al., ...
Dynamics of crowded populations of drosophila melanogaster

Vaidya, Geetanjali P. (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2013)

The question of how environmental and genetic factors interact to place limits on the dynamics of biological populations has been a matter of debate throughout the 20th century (for review, see Turchin 1995; Mueller & ...
Preliminary investigations into the causes for alternative routes to the evolution of competitive ability in populations of drosophila selected for adaptation to larval crowding

Sarangi, Manaswini (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2013)

Natural selection, as first independently conceptualized by Darwin (1859) and Wallace (Darwin and Wallace 1858), aimed to explain the evolutionary changes in biological populations by differential survival and reproduction ...
Preliminary investigations into reproductive fitness and sexual conflict in drosophila populations selected for rapid pre-adult development and early reproduction

Mital, Avani (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Integrative Biology Unit (EIBU), 2013)

Development is a key phase in the life-history of an organism since it influences traits affecting survival and reproduction from birth till death, and, thereby Darwinian fitness, especially in holometabolous insects in ...
Circadian rhythms in fruit flies drosophila under natural conditions

De, Joydeep (Jawaharlal Nehru Centre for Advanced Scientific ResearchEvolutionary and Organismal Biology Unit, 2013)

Life forms on the earth have to experience and cope with several diurnal and annual geophysical cycles such as light and temperature. It is believed that organisms have evolved mechanisms in order to accomplish the task ...

Now showing items 1-20 of 45

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