Mississippi State University
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I am a post-doc at Dr. Mubarak Shah's Center for Research in Computer Vision at University of Central Florida.
I received the Ph.D. degree in Electrical Engineering at The University of Texas at Dallas, Richardson, TX, USA in May 2016. My advisor is Dr. Nasser Kehtarnavaz. My co-advisor is Dr. Roozbeh Jafari, who is the director of the Embedded Signal Processing Lab (ESP) at Texas A&M University.
I received the B.S. degree in Automation from Beijing Forestry University, Beijing, China, in 2009 and received the M.S. degree in electrical engineering from Mississippi State University, Starkville, MS, USA, in 2012. My thesis advisor is Dr. James E. Fowler.
I am an Associated Editor for KSII Transactions on Internet and Information Systems (SCI), and Signal, Image and Video Processing (SCI)
My research interests include Compressed Sensing, Signal and Image Processing, Pattern Recognition, Computer Vision, Hyperspectral Image Analysis.
My personal website: http://www.utdallas.edu/~cxc123730/ Google Scholar Profile: https://scholar.google.com/citations?hl=en&user=TuEwcZ0AAAAJ
I am a faculty (Associate Professor) at the Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology at Mississippi State University. My research interests are in neuroendocrinology, physiology, biochemistry and molecular biology; Endocrine regulation of response to stress. Free radicals and antioxidant systems with reference to insects; Circadian response to oxidative stress in aging; tRNA modifications and neurological disorders.
I am an assistant professor of psychology at Mississippi State University. I am also the director of our Clinical Psychology training program. My research focuses on the relations between sleep and suicidal behavior. I am also interested in older adults, and how sleep changes as we age.
Dr. Sathishkumar (Sathish) Samiappan received B.S degree in Electronics and Communication Engineering from Bharathiar University, India, in 2003, M.S degree in Computer Science, with specialization in computer vision and image processing, from Amrita University, India, in 2006 and Ph.D. in Electrical and Computer Engineering(ECE) from Mississippi State University(MSU) in 2014. During 2009-2014, He was a Graduate Research Assistant with Geosystems Research Institute (GRI) and Graduate Teaching Assistant with the Department of ECE at MSU. Currently a Postdoctoral associate with GRI at MSU. His research interests include low-altitude remote sensing using UAS, machine learning, pattern recognition, signal processing, and image processing with applications in agriculture, food safety, forestry, and wetland ecology.
My research interests are classified into two broad categories:
1) Using Potato spindle tuber viroid as a model to understand plant-microbe interactions. 2) Deciphering the RNA-based epigenetic control underlying tomato development.
Understanding plant-microbe interactions is of fundamental importance in both basic science and agriculture. Viroids are sub-viral agents made up of noncoding RNAs. Potato spindle tuber viroid (PSTVd) is the type species of the Pospiviroidae family. In general, viroids do not encode proteins but replicate and spread in plants, consequently causing diseases. This unique feature prompts many interesting biological questions regarding the biogenesis and pathogenesis of viroids. For example, how do plants perceive the presence of viroids? How do plants defend against viroid invasion? How do viroids make plant sick? There is little information regarding these questions; however, viroids can be a promising model to dissect the biology of pathogenic noncoding RNAs. In addition, viroids are sensitive probes to discover cellular machinery underlying various RNA biology. Transcription from PSTVd RNA genome to antisense RNA intermediates utilizes RNA-dependent RNA Polymerase (RdRP) activity of DNA-dependent RNA Polymerase II (Pol II). Pol II typically uses DNA templates for generating mRNAs, and its shift to using RNA templates confers novel regulation of gene expression. Such RdRP activity of Pol II regulates the stability of a mammalian B2 RNA and the infection of human Hepatitis delta virus (HDV). Thus, understanding RdRP activity of Pol II has enormous implications in basic sciences, agriculture and biomedical research. My laboratory will continue to explore novel transcription factors, such as Transcription Factor IIIA variants (TFIIIA-7ZF and TFIIIA-9ZF), and their mechanisms underpinning the RdRP activity of Pol II.
Epigenetic control of tomato development: Epigenetic control has been demonstrated to play essential roles in plant growths. My laboratory aims to elucidate the dynamics of RNA regulatory networks underlying tomato development during domestication. Small RNAs (sRNAs) and long noncoding RNAs (lncRNAs) are key regulators of gene expression. Recent research showed that sRNAs and lncRNAs exhibit dynamic expression patterns even among closely related species. Furthermore, a few less-conserved sRNAs and lncRNAs regulate critical crop traits. My laboratory employs comprehensive comparative genomic approaches to identify and characterize such RNAs in tomato plants. This endeavor will shed light on novel RNA regulatory networks as well as facilitate agricultural applications.