Journal of
Systemics, Cybernetics and Informatics

ISSN: 1690-4524 (Online)

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Editorial Advisory Board's Chair
William Lesso

Nagib C. Callaos

Sponsored by
The International Institute of
Informatics and Systemics

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No Warranty Express or Implied: Why Do We Have So Many Problems With the Computer Systems That Pervade Our Lives?
John W. Coffey
(pages: 1-6)

Can You Hear Me Now? An Innovative Approach to Assess and Build Connections with Online Learner’s
Tina M. Serafini, Risa Blair
(pages: 7-11)

End-to-end Security with Translation
Kevin E. Foltz
(pages: 12-17)

(Assistive) Technology at the Point of Instruction: Barriers and Possibilities
Lorayne Robertson
(pages: 18-24)

Supplementing Multiple Modalities and Universal Design in Learning with Goal-Setting
Russell Jay Hendel
(pages: 25-30)

Experts Informing Experts
Robert Hammond
(pages: 31-35)

Internet of Things – A New Epistemic Object
Rolf Dornberger, Terry Inglese, Safak Korkut
(pages: 36-44)

An Experiment in Interdisciplinary STEM Education: Insights from the Catholic Intellectual Tradition
Fr. Joseph R. Laracy, Thomas Marlowe, Fr. Gerald J. Buonopane
(pages: 45-53)

Big History Understanding of Complexity, Informatics and Cybernetics
John L. Motloch
(pages: 54-60)

Flourishing Organizations
Maria Jakubik
(pages: 61-72)

Pros & Cons of Smart ICT in Some Governmental Applications
Dusan Soltes
(pages: 73-75)

Information Exchange in Vehicles Ad-Hock Networks
Tomas Zelinka
(pages: 76-80)

Living in a Digital World: Improving Skills to Meet the Challenges of Digital Transformation Through Authentic and Game-Based Learning
Margit Scholl, Frauke Fuhrmann
(pages: 81-86)

Psychotherapy via the Internet as a Novel Tool for Clinical Use
Ulrich Sprick
(pages: 87-94)

Technology Intercepts for Cyber Security Applied to Critical Infrastructures
Mario La Manna
(pages: 95-100)

“And Then a Miracle Occurs …” – Engaging the Challenge of Operationalizing Theories of Success in Digital Transformation
Michael Von Kutzschenbach
(pages: 101-105)

Multidisciplinary Learning Extends Communication Skill, and Helps Cross Cultural Understandings: Biomedical Engineering
Shigehiro Hashimoto
(pages: 106-112)

Integrating Teaching, Research and Problem Solving: An Experience in Progress in the Mucuri Valley Region (Brazil)
Leônidas Conceição Barroso
(pages: 113-118)

Meeting Learning Challenges in Product Design Education with and through Additive Manufacturing
William Lavatelli Kempton, Steinar Killi, Andrew Morrison
(pages: 119-129)

Creating and Using Symbolic Mental Structures via Piaget’s Constructivism and Popper’s Three Worlds View with Falsifiability to Achieve Critical Thinking by Students in the Physical Sciences
Matthew E. Edwards
(pages: 130-134)

Creativity in Higher Education: Comparative Genetic Analyses on the Dopaminergic System in Relation to Creativity, Addiction, Schizophrenia in Humans and Non-Human Primates
Bernard Wallner, Sonja Windhager, Katrin Schaefer, Martin Fieder
(pages: 135-142)





Comparative Infectomic Analysis and Molecular Characterization of CglE, the Invasin IbeA Homologous Protein, Which Contributes to the Pathogenesis of Meningitic E. Coli K1 Infection

Hong Cao, Lidan Chen, Jun Yang, Shuji Gong, Hao Zhou, Yong Jiang, Sheng-He Huang

CglE is a putative dihydrolipoamide dehydrogenase (DLDH) that shares significant protein sequence homology (50% identity and 70% similarity) to the IbeA invasin contributing to the pathogenesis of E. coli meningitis. However, the biochemical, biological and pathogenic functions of CglE are unknown. In order to characterize the role of CglE in the pathogenesis of meningitic infections, infectomic, bioinformatics and molecular approaches were used to analyze and predict its structure and function. First, our comparative infectomic studies showed that CglE and IbeA are present in the genetic island GimA as a pair of homologous proteins that are encoded by two different operons, cgl (GimA2) and ibe (GimA4), at different locations. A similar pair of proteins is also present in Silicibacter sp which belongs to the most abundant and ecologically relevant marine bacterial groups. Meningitic E. coli K1 and Silicibacter sp have to survive under harsh environments (cerebrospinal fluid and ocean) with poor nutrition, suggesting that this pair of proteins is important for energy metabolism in the both microbes. Secondly, bioinformatic analysis indicated that CglE is a putative DLDH, which is the E3 component of pyruvate dehydrogenase complex. A FAD-binding domain and homologous flavoprotein regions are present in CglE. DLDH has been identified as virulence factors contributing to the pathogenesis of hepatitis C virus and pneumococcal infections. The sequence of CglE is homology to that of IbeA, an invasion protein of meningitic E. coli, and the surface probability and hydrophilicity are very similar to each other. Thirdly, the expression, purification and biochemical analysis of CglE protein was further carried out to determine whether CglE shares similar functions as IbeA and whether it is a new class of DLDH. The cglE gene was amplified by PCR and subcloned into pET22b(+) then expressed in E. coli BL21(DE3) as a fusion protein with His6 tag at its C-terminus induced by IPTG. CglE fusion protein was purified. Like IbeA, CglE is able to bind to an IbeA-binding protein, vimentin. In further studies, we will examine whether CglE is a new class of DLDH and how it contributes to the pathogenesis of meningitic infections.

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