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Silk moth's diapause reverts back to ancestors' through gene editing!?

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IMAGE: Differences in the environmental signals utilized as cues to determine alternative diapause between domesticated silkworm and Bombyx mandarina.
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Credit: Copyright © 2021, Kunihiro Shiomi, Shinshu University
Diapause is a phenomenon in which animals and insects foresee changes in the environment and actively reduce metabolism, or halt regular differentiation and development. It is an adaptation strategy for adverse environments such as surviving winters, but also to encourage uniform growth of the generational group. By knocking out genes that allow the silkworm to detect temperature, researchers at Shinshu University et al. found that the silk moth diapause changes from temperature to photoperiod, or day length. This is not only valuable as an elucidation of the molecular mechanism in the environmental response mechanism of organisms such as insects, but also a very important finding in exploring the process of domestication of s ....

Yoko Takasu , Misato Shimoda , Kunihiro Shiomi , Shigeru Saito , Yoshiomi Kato , Masakazu Kobayashi , Makoto Tominaga , Akira Mizoguchi , Hideki Sezutsu , Takeshi Yokoyama , Misato Shimoda Gunma Sericultural Technology Center , Technology For Scientific Research , Food Research Organization , Shigeru Saito National Institute For Physiological Sciences , Department Of Applied Biological Sciences , Biofunction Utilization Research Division , Tokyo University Of Agriculture , Technology Of Shinshu University , Ministry Of Education , Makoto Tominaga National Institute For Physiological Sciences , Yoshiomi Kato International Christian University , Shinshu University , Hideki Setsutsu National Agriculture , Utilization Research Division , Akira Mizoguchi Aichi Gakuin University , Yoko Takasu National Agriculture ,

Polymerization process of hydrogel microspheres on video

Credit: Reprinted with permission from Langmuir 2021, 37, 151-159. Copyright (2021) American Chemical Society
Aqueous free-radical precipitation polymerization is one of the most useful methods to prepare the uniformly sized hydrogel microspheres (microgels), and an understanding of the polymerization mechanism is crucial to control the structure or physicochemical properties of microgels. However, the details of the mechanism of precipitation polymerization remain unclear.
Thus, first author Yuichiro Nishizawa, Prof. Daisuke Suzuki of the Graduate School of Textile Science & Technology, Shinshu University and Prof. Takayuki Uchihashi of Nagoya University set out to clarify the formation mechanism of microgels during precipitation polymerization by evaluating structural evolution and thermoresponsiveness of developing microgels during the polymerization and by visualization of polymerization directly. ....

Daisuke Suzuki , Yuichiro Nishizawa , Takayuki Uchihashi , Nagoya University , School Of Textile Science Technology , Shinshu University , Graduate School , Textile Science , Chemistry Physics Materials Sciences , Polymer Chemistry , நாகோயா பல்கலைக்கழகம் , பள்ளி ஆஃப் ஜவுளி அறிவியல் தொழில்நுட்பம் , ஷீன்ஷு பல்கலைக்கழகம் , பட்டதாரி பள்ளி , ஜவுளி அறிவியல் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , பாலிமர் வேதியியல் ,

Career counselling: questions and answers

Lahore
February 8, 2021
Q1: Sir, I wish to be a motor/automobile engineer. What would be your guideline to me as I am in my A2 at Beaconhouse with 4 major Science subjects. (Arham Shahid, Narowal)
Ans: Dear Arham, please note there are two ways to look at becoming a professional Automobile Engineer that too with a slight diversification. I would, therefore, advise you to look at doing your first degree/bachelors degree in Robotics or Advance Mechatronics and then go on specialising with a postgraduate degree in Automobile Design and Engineering. This means that you can find career opportunities in the entire vehicle engineering or transport engineering in general. ....

Karachi University , Hanzla Dawood , Nahail Baloch , Mohtashim Ansari , Arham Shahid , Syed Azhar Husnain Abidi , Management Sciences , Biomedical Sciences , Dear Arham , Automobile Engineer , Advance Mechatronics , Automobile Design , Dear Hanzla , Computer Engineering , Textile Science , Development Studies , Management Science , Computational Finance , Industrial Finance , Dear Mr Ansari , Electronic Financial , Business Studies , Supply Chain Management , Dear Nahail , கராச்சி பல்கலைக்கழகம் , மொஹ்டஷிம் அன்சாரி ,

Techtextil North America to reunite technology rich textiles industry

Techtextil North America to reunite technology rich textiles industry
The show’s theme this year is ‘Accelerating Technology’ and aims to highlight the textile industry’s high level of innovation.
28th January 2021
As the first major textile event since COVID-19 put the brakes on tradeshows in early 2020, Techtextil North America returns to Raleigh from 23-25 August 2021 to reunite an industry hungry for in-person business interactions.
The show’s theme this year is ‘Accelerating Technology’ and aims to highlight the textile industry’s high level of innovation and contribution to the global supply chain through advanced technology. North Carolina State University’s Wilson College of Textiles, an internationally renowned as a leader in the field of textile education and innovation, will again serve as the Official Academic Partner, with several members of the college’s faculty also seated on the show’s Advisory Council. ....

North Carolina State University , North Carolina , United States , Wilson College , Frank Henderson , Bryan Ormond , Karen Leonas , Williama Klopman , Behnam Pourdeyhimi , Wilson College Of Textiles , Comfort Center , Professor Of Textile Sciences , Carolina State University Wilson College Of Textiles , Nonwovens Institute , Advisory Council , Dean For Industry Research , Department Of Textile Engineering , Carolina State University , Techtextil North America , Accelerating Technology , Official Academic Partner , Techtextil North America Symposium , Textile Sciences , North Carolina State , Color Chemistry , Textile Engineering ,

Study shows neuropeptide corazonin regulates the release of diapause hormone in silkworms

Study shows neuropeptide corazonin regulates the release of diapause hormone in silkworms
Diapause is a seasonal adaptation strategy of insects and animals where biological functions are put on hold, such as insect eggs that remain dormant until conditions are more favorable to hatch. This is not a passive response of dormancy to adverse situations but an actively induced state that takes place well in advance in anticipation of natural conditions.
Although it has been hypothesized that the neuroendocrine systems are associated with seasonal reproductive plasticity, the morphological, physiological, behavioral, reproductive responses of diapause remain unclear.
In this study, silkworms (
Bombyx mori) were found to lay diapause eggs at 25°C and non-diapause eggs at 15°C. Females were observed to determine whether to lay diapause eggs or not according to thermal information received by the embryonic Bombyx TRPA1 ortholog (BmTRPA1). Scientists have previously known ....

Emily Henderson , Corazonin Crz , Shinshu University , Associate Professor , Textile Science , எமிலி ஹென்டர்சன் , ஷீன்ஷு பல்கலைக்கழகம் , இணை ப்ரொஃபெஸர் , ஜவுளி அறிவியல் ,