insect hormones
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2021 ◽  
Author(s):  
H. FREDERIK NIJHOUT
Keyword(s):  

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e7428 ◽  
Author(s):  
Pornchanan Chanchay ◽  
Wanwipa Vongsangnak ◽  
Anchana Thancharoen ◽  
Ajaraporn Sriboonlert

Insect hormones: ecdysteroids and juvenile hormones have crucial functions during the regulation of different developmental pathways in insects. Insect metamorphosis is one of the primary pathways regulated by these hormones. The insect hormone biosynthetic pathway is conserved among arthropods, including insects, with some variations in the form of hormones used among each group of insects. In this study, the candidate genes involved in the insect hormone pathways and their functional roles were assessed in an aquatic firefly, Sclerotia aquatilis using a high-throughput RNA sequencing technique. Illumina next-generation sequencing (NGS) was used to generate transcriptome data for the different developmental stages (i.e., larva, pupa, and adult) of S. aquatilis. A total of 82,022 unigenes were generated across all different developmental stages. Functional annotation was performed for each gene, based on multiple biological databases, generating 46,230 unigenes. These unigenes were subsequently mapped using KEGG pathways. Accordingly, 221 protein-encoding genes involved in the insect hormone pathways were identified, including, JHAMT, CYP15A1, JHE, and Halloween family genes. Twenty potential gene candidates associated with the biosynthetic and degradation pathways for insect hormones were subjected to real-time PCR, reverse transcriptase PCR (RT-PCR) and sequencing analyses. The real-time PCR results showed similar expression patterns as those observed for transcriptome expression profiles for most of the examined genes. RT-PCR and Sanger sequencing confirmed the expressed coding sequences of these gene candidates. This study is the first to examine firefly insect hormone pathways, facilitating a better understanding of firefly growth and development.


Author(s):  
Sabtharishi Subramanian ◽  
K. Shankarganesh
Keyword(s):  

2015 ◽  
Vol 3 (3) ◽  
pp. 188-204 ◽  
Author(s):  
Karel Slama ◽  
Keyword(s):  

2013 ◽  
Vol 85 (1) ◽  
pp. 36-47 ◽  
Author(s):  
Weiwei Zhuo ◽  
Feng Chu ◽  
Lingfei Kong ◽  
Hui Tao ◽  
Yanghu Sima ◽  
...  

2012 ◽  
Vol 2012 ◽  
pp. 1-7 ◽  
Author(s):  
Toyomi Kotaki ◽  
Tetsuro Shinada ◽  
Hideharu Numata

Juvenile hormone (JH), which occurs in several forms in different insects, is one of the most important insect hormones. The structure of JH in Heteroptera has not been elucidated until recently, although insects in this suborder have long been used as experimental animals for JH research. Here we review the structure determination of a novel JH in a stink bug,Plautia stali, which was named juvenile hormone III skipped bisepoxide [JHSB3: methyl (2R,3S,10R)-2,3;10,11-bisepoxyfarnesoate], based on the arrangement of two epoxides at C2,3 and C10,11 with a skipped double bond at C6,7.


2010 ◽  
Vol 38 (1) ◽  
pp. 639-647 ◽  
Author(s):  
Feng-Ming Zou ◽  
De-Shuai Lou ◽  
Ya-Hong Zhu ◽  
Sheng-Peng Wang ◽  
Byung-Rae Jin ◽  
...  

Author(s):  
E. David Morgan
Keyword(s):  

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