HomeScience & TechEndless caterpillar infestation of fruit flies directs the emergence of large and...

Endless caterpillar infestation of fruit flies directs the emergence of large and rapid hatched eggs

Scientists have discovered that a host of insects with chronic worm infestations are constantly evolving to produce larger, faster-hatched eggs, although different in some cases.

Until 2003 it was believed that fruit flies that used to be overcrowded with worms changed their competitive power, consistently with the emergence of a combination of high-quality food for worms and greater pre-adult tolerance to toxic levels of waste products such as ammonia and urea.

With the change in the paradigm of this understanding, previous studies by researchers from the Jawaharlal Nehru Advanced Center for Research (JNCASR), an independent institute of the Department of Science and Technology (DST), 15 years ago revealed the nature of the symptoms. it depends not only on the total larvae population, but also on the exact combination of feed value and egg number in which chronic constipation occurs.

Now, in a recent study published in the Journal of Genetics, this team of researchers showed that habitats – large and quick-hatched eggs – are common to all fruit flies that are resistant to overcrowding, regardless of their variety. food value and egg number.

The team, which is a world leader in understanding the evolution and competitive nature of fruit flies, has shown that three different groups of flies (Drosophila melanogaster), experienced chronic stress in worms in slightly different natural conditions, and as a result emerged. different variability of density, yet they shared common variability. They all produce larger eggs and hatch faster than their common ancestor control figures.

In this study, scientists used a variety of people developed by researchers by choosing a laboratory – a population that is not found anywhere else in the world.

Thinking that another way to benefit from a rare diet competition would be to lay eggs earlier than others and start breastfeeding, S Venkitachalam, S Das, A Deep, and A Joshi were investigating whether this ‘first’ method was effective. emerged from any changing humanity, in addition to the other familiarity they had seen. They found that they all had larger and faster hatching eggs, although they differed from other congested methods. This suggests that the onset of headaches that the larvae experience as a result of rapid hatching, and to a large size, fits a variety of congested conditions, unlike a few other factors.

The study is part of a series of similar demographic studies that have led to a paradigm shift in understanding the selection based on density and adaptation to fly density.

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