Similarity Networks of the Functional Evolution of Cycles in Structural Networks

2014 ◽  
Vol 1 ◽  
pp. 502-505 ◽  
Author(s):  
David M. Walker ◽  
Antoinette Tordesillas ◽  
Gary Froyland
Keyword(s):  
Functional Evolution ◽  
Similarity Networks ◽  
Structural Networks

Interpreting HVEM of muscle-cell impulse networks

1992 ◽  
Vol 50 (1) ◽  
pp. 126-127
Author(s):  
Paul DeCosta ◽  
Kyugon Cho ◽  
Stephen Shemlon ◽  
Heesung Jun ◽  
Stanley M. Dunn
Keyword(s):  
Structural Analysis ◽  
Muscle Cell ◽  
Electron Micrographs ◽  
Relative Size ◽  
Automatic Classification ◽  
Nerve Fibers ◽  
Analysis Algorithm ◽  
Structural Networks

Introduction: The analysis and interpretation of electron micrographs of cells and tissues, often requires the accurate extraction of structural networks, which either provide immediate 2D or 3D information, or from which the desired information can be inferred. The images of these structures contain lines and/or curves whose orientation, lengths, and intersections characterize the overall network.Some examples exist of studies that have been done in the analysis of networks of natural structures. In, Sebok and Roemer determine the complexity of nerve structures in an EM formed slide. Here the number of nodes that exist in the image describes how dense nerve fibers are in a particular region of the skin. Hildith proposes a network structural analysis algorithm for the automatic classification of chromosome spreads (type, relative size and orientation).

Exploring Potentials for Culinary Tourism through a Food Festival: The Case of Thessaloniki Food Festival

2016 ◽  
Vol 4 (2) ◽  
pp. 110-125
Author(s):  
George Chatzinakos
Keyword(s):  
Strategic Planning ◽  
Planning Tool ◽  
Urban Experience ◽  
Local Networks ◽  
Culinary Tourism ◽  
Complex Process ◽  
New Destination ◽  
Structural Networks ◽  
The City ◽  
Culinary Culture

This paper seeks to conceptualize the way Thessaloniki is promoting culinary tourism, whilst supporting and building upon local networks; engaging and co-creating an urban experience with its citizens and visitors. The aim of the paper is to suggest a potential framework that can be used as a strategic planning tool for the promotion of culinary tourism in Thessaloniki. In this direction, a food festival is being investigated. The last, is conceived by the organizers as the foundation of the idea of culinary tourism in the city. However, the findings indicate that there is a lack of active participation by the locals and not enough communication among various assets that are associated with the culinary identity of the city. In general, Thessaloniki seems to embody the ongoing struggle of a new destination, which is dealing with the complex process of branding and marketing without having the proper tools and the vital required collaboration between its structural networks. Accordingly, the research provides a lens through which the culinary culture of Thessaloniki can be used as a strategic pillar for stimulating a sustainable way of “consuming” and promoting the city’s identity; enhancing Thessaloniki’s appeal as a culinary destination.

Functional Evolution of Plant CYCLOPROPYL STEROL ISOMERASE1 Gene

2014 ◽  
Vol 48 (4) ◽  
pp. 398-410
Author(s):  
Ma Xuemin ◽  
Sun Shuangli ◽  
Yang Hailing ◽  
Men Shuzhen
Keyword(s):  
Functional Evolution

Structural and Functional Evolution of the Translocator Protein (18 kDa)

2012 ◽  
Vol 12 (4) ◽  
pp. 369-386 ◽  
Author(s):  
J. Fan ◽  
P. Lindemann ◽  
M. G.J. Feuilloley ◽  
V. Papadopoulos
Keyword(s):  
Translocator Protein ◽  
Functional Evolution ◽  
Translocator Protein 18 Kda

Is ϝ-shaped digamma attested as a numerical sign in Greek papyri? Once more on P.Herc. 1669 and P.Oxy. 1176

2020 ◽  
Vol 140 ◽  
pp. 199-205
Author(s):  
Graziano Ranocchia
Keyword(s):  
Historical Evolution ◽  
Functional Evolution ◽  
Greek Alphabet

Abstract:T. Dorandi, who has previously proposed to read the book number included in the end-title of P.Herc. 1669 (Philodemus’ On Rhetoric) as a numerical ϝ-shaped digamma (= 6), has now advanced the same reading in the subscriptio of P.Oxy. 1176 (Satyrus, Lives book 6), where the editor princeps and all subsequent editors had unanimously read a stigma before. In this article, I argue not only that both readings are palaeographically untenable, but also that they historically contradict the graphic and functional evolution of digamma within the Greek alphabet. In particular, in both Graeco-Egyptian and Herculaneum papyri, ϝ-shaped digamma is always attested as a merely phonetic element (/w/ or waw) – never as a numeral symbol – whereas stigma, which represents the historical evolution of a variant of Archaic and Classical digamma, is the only form used as a numerical sign (= 6).

scholarly journals Putative ligand binding sites of two functionally characterized bark beetle odorant receptors

BMC Biology ◽  
2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Jothi K. Yuvaraj ◽  
Rebecca E. Roberts ◽  
Yonathan Sonntag ◽  
Xiao-Qing Hou ◽  
Ewald Grosse-Wilde ◽  
...  
Keyword(s):  
Ligand Binding ◽  
Bark Beetle ◽  
Pest Control ◽  
Binding Sites ◽  
Functional Characterization ◽  
Site Directed Mutagenesis ◽  
Odorant Receptors ◽  
Functional Evolution ◽  
General Importance ◽  
Insight Into

Abstract Background Bark beetles are major pests of conifer forests, and their behavior is primarily mediated via olfaction. Targeting the odorant receptors (ORs) may thus provide avenues towards improved pest control. Such an approach requires information on the function of ORs and their interactions with ligands, which is also essential for understanding the functional evolution of these receptors. Hence, we aimed to identify a high-quality complement of ORs from the destructive spruce bark beetle Ips typographus (Coleoptera, Curculionidae, Scolytinae) and analyze their antennal expression and phylogenetic relationships with ORs from other beetles. Using 68 biologically relevant test compounds, we next aimed to functionally characterize ecologically important ORs, using two systems for heterologous expression. Our final aim was to gain insight into the ligand-OR interaction of the functionally characterized ORs, using a combination of computational and experimental methods. Results We annotated 73 ORs from an antennal transcriptome of I. typographus and report the functional characterization of two ORs (ItypOR46 and ItypOR49), which are responsive to single enantiomers of the common bark beetle pheromone compounds ipsenol and ipsdienol, respectively. Their responses and antennal expression correlate with the specificities, localizations, and/or abundances of olfactory sensory neurons detecting these enantiomers. We use homology modeling and molecular docking to predict their binding sites. Our models reveal a likely binding cleft lined with residues that previously have been shown to affect the responses of insect ORs. Within this cleft, the active ligands are predicted to specifically interact with residues Tyr84 and Thr205 in ItypOR46. The suggested importance of these residues in the activation by ipsenol is experimentally supported through site-directed mutagenesis and functional testing, and hydrogen bonding appears key in pheromone binding. Conclusions The emerging insight into ligand binding in the two characterized ItypORs has a general importance for our understanding of the molecular and functional evolution of the insect OR gene family. Due to the ecological importance of the characterized receptors and widespread use of ipsenol and ipsdienol in bark beetle chemical communication, these ORs should be evaluated for their potential use in pest control and biosensors to detect bark beetle infestations.

Sign in / Sign up

Export Citation Format

Share Document