Currently recruiting a postdoctoral fellow

We are seeking a postdoctoral fellow to work on New World screwworm male-only strains in Pacora, Panama. See listing on our “join us” page.

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no blokes paper published in Current Biology

Our manuscript showing that the no blokes gene is essential for male viability and X chromosome gene expression in the Australian sheep blowfly has been published in Current Biology. The paper can be freely accessed for the next month using the link: https://authors.elsevier.com/a/1XFCR3QW8RmV8V

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Article on gene drives for control of Ag pests published online

At a conference in Raleigh in February 2016, we presented a paper on the potential of Cas9-mediated gene drive systems for control of agricultural insect pests. At the meeting a draft manuscript was made available to attendees that described in more detail the ideas outlined in the presentation. The manuscript was subsequently revised, edited and is now available on line at the Journal of Responsible Innovation.

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Screwworm review published

Our review of research advances over the past 25 years on the New World screwworm has been recently published in Entomologia Experimentalis et Applicata 

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Our paper describing transgenic Lucilia cuprina larval sexing strains is now published

Insect sexing strains that produce only males under certain conditions are highly advantageous for genetic control programs. If larval diet is a major cost for a mass rearing factory it is desirable if female insects die at early stages of development. For building such strains it would be ideal if the gene promoter used to drive a conditional transcription factor (e.g. tTA) was only active at the embryo stage. However, identifying such promoters is not a trivial exercise. In our recent paper in Scientific Reports we show that promoters that are active throughout development can be used to build sexing strains with most of the females dying at early larval stages.

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Welcome Melina!

Dr. Melina Florez-Cuadros recently joined the lab from the University of Nebraska-Lincoln where she studied the effects of temperature and diet in stable fly’s development. Melina is supported by the Dean’s Diversity Postdoctoral Fellowship from the College of Agriculture and Life Sciences at NCSU. She is developing site-specific recombination systems for making transgenic “male-only” strains of Lucilia cuprina.

 

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Welcome Kara!

Dr Kara Bolz recently joined the lab from UNC-Chapel Hill. Kara has studied epigenetic mechanisms in Arabidopsis and Drosophila and brings a wealth of experience in molecular genetics to the lab. Kara is supported by the BRAG grant to investigate the use of gene drive systems to suppress populations of pest insects, specifically spotted wing Drosophila and New World screwworm.

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Welcome Bill!

Dr. Bill Reid recently joined the lab from USDA-ARS, Gainesville where investigated   promoters and tissue-specific genes in Ae. aegypti . For his doctoral studies at Auburn U., Bill took a functional genomics approach to study insecticide resistance in housefly and mosquito species. Bill is supported by the SCRI grant to develop male-only strains and better genetic tools for spotted wing Drosophila.

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Next gen medicinal maggot project funded by DARPA

Our application for funding to develop transgenic strains of Lucilia sericata that are engineered to produce and secrete factors to promote wound healing has been funded by DARPA, starting 1 January. The grant will be used to support Dr Rebecca Linger, who was first author on the proof-of-concept paper published in 2016 in BMC Biotechnology.

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Male-only screwworm strains paper published in BMC Biology

Our paper on the development and evaluation of transgenic strains of the New World screwworm that carry a conditional female lethal gene has been published in BMC Biology. Over a 50 year period, the SIT was used to eradicate screwworm from North and Central America. SIT is more efficient if only sterile males are released but until now this has not been possible. The modified strains produce only males on diet that does not contain tetracycline. The strains are comparable to the current mass reared strain for several characteristics that influence production. Further the transgenic males were competitive with the wild type strain for mating with females. The transgenic strains could potentially lead to significant savings for the ongoing and any future SIT program.

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