bluuebunny/crossref_metadata_2025_split huggingface dataset:
A stress-response-related inter-compartmental signalling pathway regulates embryonic cuticle integrity in Arabidopsis
Authors: Creff Audrey , Brocard Lysiane , Joubès Jérôme , Taconnat Ludivine , Doll Nicolas M. , Pascal Stephanie , Galletti Roberta , Marsollier Anne-Charlotte , Moussu Steven , Widiez Thomas , Domergue Frédéric , Ingram Gwyneth 
Published: November 2018

ABSTRACTThe embryonic cuticle is necessary for normal seed development and seedling establishment in Arabidopsis. Although mutants with defective embryonic cuticles have been identified, neither the deposition of cuticle material, nor its regulation, has been described during embryogenesis. Here we use electron microscopy, lipid staining and permeability assays to show that cuticle deposition initiatesde novoin patches on globular embryos. By combining these techniques with genetics and gene expression analysis, we show that successful patch coalescence to form a continuous cuticle requires a signalling involving the endosperm-specific subtilisin protease ALE1 and the receptor kinases GSO1 and GSO2, which are expressed in the developing embryonic epidermis. Transcriptome analysis shows that this pathway regulates stress-related gene expression in seeds. Consistent with these findings we show genetically, and through activity analysis, that the stress-associated MPK6 protein acts downstream of GSO1 and GSO2 in the developing embryo. We propose that a stress-related signalling pathway has been hijacked in some angiosperm seeds through the recruitment of endosperm-specific components. Our work reveals the presence of an inter-compartmental dialogue between the endosperm and embryo that ensures the formation of an intact and functional cuticle around the developing embryo through an “auto-immune” type interaction.
Gene expression atlas of a developing tissue by single cell expression correlation analysis
Authors: Bageritz Josephine , Willnow Philipp , Valentini Erica , Leible Svenja , Boutros Michael , Teleman Aurelio A. 
Published: November 2018

ABSTRACTThe Drosophila wing disc has been a fundamental model system for the discovery of key signaling pathways and for our understanding of developmental processes. However, a complete map of gene expression in this tissue is lacking. To obtain a complete gene expression atlas in the wing disc, we employed single-cell sequencing (scRNA-seq) and developed a new method for analyzing scRNA-seq data based on gene expression correlations rather than cell mappings. This enables us to discover 824 genes with spatially restricted expression patterns, and to compute expression maps for all genes in the wing disc. This approach identifies both known and new clusters of genes with similar expression patterns and functional relevance. As proof of concept, we characterize the previously unstudied gene CG5151 and show it regulates Wnt signaling. This novel method will enable the leveraging of scRNA-seq data for generating expression atlases of undifferentiated tissues during development.
Designing complex socio-technical process systems – the airport example
Authors: Mazhar Samia , Wu Paul Pao-Yen , Rosemann Michael 
Published: November 2018

Purpose
A configurable reference model can be used to assist in the development and management of business processes in complex, multi-stakeholder environments. The purpose of this paper is to demonstrate a process design in such environments via configurable process reference modelling, using airports as an example.

Design/methodology/approach
Existing reference modelling methods around process modelling, merging and configuration are extended to include contextual and spatial factors using the design science methodology. The approach is empirically based on a set of business process management notation (BPMN) models for international passenger departures, consolidated from five Australian airport case studies via document analysis, interviews and observation.

Findings
The use of contextual factors and operational scenarios, structured using the proposed approach, facilitated efficient cross-organisational comparison for configuring processes to suit the needs of a target organisation. The resulting configurable model integrates the perspectives of organisational stakeholder groups with that of the customer in a transparent and unambiguous graphical representation. It is a reusable tool with low data collection needs for each use.

Research limitations/implications
Future research should include: version management; how to keep the model current; configurability via modelling objects other than gateways; and cross-discipline application (e.g. as a foundation for quantitative decision-making models).

Originality/value
This is the first reported application of configurable reference modelling to airport passenger facilitation. Methodological contributions include the addition of space-sensitive process elements and notation to BPMN; guidelines for systematically deriving contextual factors associated with process variants across similar organisations; and overall normative guidelines for inductively developing a configurable process reference model.
Inter-organizational mentoring: a four phase conceptual model for success
Authors: Gisbert-Trejo Nuria , Landeta Jon , Albizu Eneka , Fernández-Ferrín Pilar 
Published: November 2018

Purpose
The purpose of this study is to present a conceptual model that comprises the four phases of an inter-organizational mentoring (IOM) process.

Design/methodology/approach
This study used a focus group of 19 expert coordinators on IOM programs who met once at the Basque College of Economists. The session was recorded and notes were taken and distributed to all participants.

Findings
Based on the focus group, the authors developed a four-phase model of IOM. The phases this conceptual model proposes for IOM are awakening, transcendence, organizational bond and maturity.

Practical implications
These four phases should help mentors to guide mentees in the completion of an effective IOM process. This model is a re-conceptualization from the traditional mentoring phases, as the nature of the mentoring process is different. However, getting to understand the phases of IOM will enlighten the understanding of this phenomenon that is a growing option for managers in their career development as IOM helps managers to acquire skills and competencies.

Originality/value
This work contributes to the comprehension of this new form of alternative mentoring, clarifying for mentees and mentors, what process they are going to follow. Additionally, it provides clear criteria for inter-organizational program coordinators on how to organize these kinds of programs. In the opinion of the authors, this paper is original because it provides an in-depth understanding of IOM, which is an HRD technique that has barely been studied to date.
A response to global nonprofits’ succession failure
Authors: Santora Joseph C. 
Published: November 2018

Purpose
This paper aims to raise the level of awareness of the critical need to have a chief executive succession plan in nonprofit organizations.

Design/methodology/approach
This paper uses a review of survey literature to determine the degree to which nonprofits plan for chief executive succession.

Findings
The findings reveal a serious lack of planning for successors in nonprofit organizations.

Originality/value
This paper underscores the need for a three-pronged approach by nonprofit boards of directors, chief executive officers, and HR departments to address planning for successors to prevent potential chaotic organizational situations and create sustainable nonprofits.
A novel robot kinematic calibration method based on common perpendicular line model
Authors: Shen Chen , Chen Youping , Chen Bing , Qiao Yu 
Published: November 2018

Purpose
This paper aims to propose a novel robot kinematic calibration method based on the common perpendicular line (CPL) model to improve the absolute accuracy of industrial robots.

Design/methodology/approach
The deviation between the nominal and actual twists is considered the CPL transformation, which includes the rotation about the CPL and the translation along the CPL. By using the invariance of the reciprocal product of the two spatial lines, the previous deviation was analyzed in the neighbor space of the base frame origin. In this space, the line vector of the CPL contained only four independent parameters: two orientation elements and two moment elements. Thus, the CPL model has four independent parameters for the revolute joint and two parameters for the prismatic joint.

Findings
By simulations and experiment conducted on a SCARA robot and a 6-DOF PUMA robot, the effectiveness of the novel method for calibration of industrial robot is validated.

Originality/value
The CPL model avoided the normalization and orthogonalization in the iterative identification procedure. Therefore, identifying the CPL model was not only simpler but also more accurate than that of the traditional model. In addition, the results of the CPL transformation strictly conformed to the constraints of the twist.
Inertia, uncertainty, and exploratory partner selection
Authors: Liang Jie , Mei Nan 
Published: November 2018

PurposeThe purpose of this paper is to examine the following research question in partner selection decisions in business-to-business strategic partnerships/collaborations literature: How do inertia and uncertainty affect partner selection? Explicitly, the paper analyzes how inertia of previous alliance selection routines and uncertainty of entire market movement shape firms’ preferences regarding exploratory partner selection (i.e. selecting new partners who never collaborate with the focal firm).Design/methodology/approachGrounded on inter-firm partnerships, partner selection and network theory literature, the study empirically tests a fine-grained sample of 511 open-end funds initiated by 61 fund management firms in China. To do so, it runs Tobit regression for main analysis and applies a variety of sensitivity analyses to check the robustness.FindingsResults show that inertia in previous partner selection has a negative effect on exploration. Importantly, these inertial forces impact domestic firms but not international firms. Market uncertainty also affects exploratory partner selection: short-term market uncertainty encourages exploration, whereas long-term uncertainty inhibits it. These effects also depend on firms’ type: long-term market uncertainty has a negative effect on exploration for international firms but not for domestic firms. Both types of firms exhibit a stronger tendency toward exploration when they encounter short-term uncertainty. However, this inclination is stronger in international firms.Originality/valueEarlier research has examined how inertia affects exploitation but largely overlooked its effect on exploration. A critical examination of firm and environment level factors provides a deeper understanding of why and when firms have inconsistent preferences for specific partner selection strategies. Thus, this study offers a unique perspective for understanding firms’ exploratory partner selection by focusing on two important characteristics of focal firms: one internal (inertia) and one external (market uncertainty) in nature.
Adopting the cloud: how it affects firm strategy
Authors: Khalil Sabine 
Published: November 2018

PurposeThe purpose of this paper is to explore the role that cloud adoption plays in the strategies of large firms. As an innovative and transforming technology, cloud computing can have a significant impact on firms. It may propel them to adapt their existing strategies to survive in today’s unstable, rapidly expanding, digital environment.MethodologyThe relationship between cloud computing and company strategy was explored through a qualitative research study. The author conducted 35 semi-structured interviews with business and IT stakeholders working in large French organizations.FindingsAnalysis of the results demonstrates that large cloud-adopting firms are driven by three main needs: a need to maintain their place in a highly competitive market, a need to implement innovative solutions and a need to lower costs.Research limitations/implicationsThe limitations of this research include a number of contingency factors, such as the location of these firms (France) and their size (large). However, the academic literature does not address how adopting cloud services will affect the strategies used by large firms. Given the complex structures of these firms, it seems inevitable that they will adapt their strategies. This is highlighted by this study, which sheds light on the importance of the relationship between cloud adoption and company strategies.Practical implicationsThis exploratory research study stresses the importance of companies adapting their strategies and enables business professionals to focus on redirecting their strategies when adopting cloud services. In addition, this study provides examples of the behavior of large firms in the French market.Originality/valueCompanies need to develop effective business strategies to survive, especially in today’s modern world. This paper shows that cloud adoption is leading firms to alter their strategies, and has led to the emphasis of three types of strategy: competition, innovation and cost reduction.
What difference do data make? Data management and social change
Authors: Currie Morgan E. , Paris Britt S. , Donovan Joan M. 
Published: November 2018

PurposeThe purpose of this paper is to expand on emergent data activism literature to draw distinctions between different types of data management practices undertaken by groups of data activists.Design/methodology/approachThe authors offer three case studies that illuminate the data management strategies of these groups. Each group discussed in the case studies is devoted to representing a contentious political issue through data, but their data management practices differ in meaningful ways. The project Making Sense produces their own data on pollution in Kosovo. Fatal Encounters collects “missing data” on police homicides in the USA. The Environmental Data Governance Initiative hopes to keep vulnerable US data on climate change and environmental injustices in the public domain.FindingsIn analysing the three case studies, the authors surface how temporal dimensions, geographic scale and sociotechnical politics influence their differing data management strategies.Originality/valueThe authors build upon extant literature on data management infrastructure, which primarily discusses how these practices manifest in scientific and institutional research settings, to analyse how data management infrastructure is often crucial to social movements that rely on data to surface political issues.
Investigating the brand evangelism effect of community fans on social networking sites
Authors: Hsu Li-Chun 
Published: November 2018

Purpose
Many enterprises recognize that social media is a valuable source of information propagation for brands. Using the self-congruity and social identity theories as theoretical bases, the purpose of this paper is to develop an integrated conceptual model and explore the effects of brand-evangelism-related behavioral decisions of enterprises on virtual community members.

Design/methodology/approach
This study targeted community members who had purchased a specific cosmetic brand’s products and had been members of an official brand fan page for at least one year. Using a survey of 488 valid samples and structural equation modeling was used to conduct path analyses.

Findings
The results indicated that seven hypothetical paths were supported and exhibited desirable goodness of fit. Value congruity can be used to explain effects of dual identification on various relationships. Relationships among variables of brand evangelism are not independent. Specifically, the effect of brand purchase intentions on positive brand referrals is higher than that on oppositional brand referrals.

Practical implications
The findings can help brand community managers to adopt innovative and effective strategies to gain community members’ identification and maintain a desirable relationship between business and community members. In addition, this study should help marketers to increase the opportunity of maximizing the brand evangelism effect.

Originality/value
This study contributes to the understanding for multiple perspectives of value congruity and adopts the extension viewpoint to understand community members not only have brand value and self-congruity problems but also have community membership goals and values related to the fit problem.
Organic-inorganic composite nanocoatings with superhydrophobicity and thermal stability
Authors: Syafiq A. , Pandey A.K. , Balakrishnan Vengadaesvaran , Shahabuddin Syed , Rahim Nasrudin Abd 
Published: November 2018

Purpose
This paper aims to investigate the thermal stability and hydrophobicity of difference alkyl chain of silanes with silicon (Si) micro- and nanoparticles.

Design/methodology/approach
Sol-gel methods have been used to design superhydrophobic glass substrates through surface modification by using low-surface-energy Isooctyl trimethoxysilane (ITMS) and Ethyl trimethoxysilane (ETMS) solution. Hierarchical double-rough scale solid surface was built by Si micro- and nanoparticles to enhance the surface roughness. The prepared sol was applied onto glass substrate using dip-coating method and was dried at control temperature of 400°C inside the tube furnace.

Findings
The glass substrate achieved the water contact angle as high as 154 ± 2° and 150.4 ± 2° for Si/ITMS and Si/ETMS films, respectively. The Si/ITMS and Si/ETMS also were equipped with low sliding angle as low as 3° and 5°, respectively. The Si micro- and nanoparticles in the coating system have created nanopillars between them, which will suspend the water droplets. Both superhydrophobic coatings have showed good stability against high temperature up to 200°C as there are no changes in WCA shown by both coatings. Si/ITMS film sustains its superhydrophobicity after impacting with further temperature up to 400°C and turns hydrophobic state at 450°C.

Research limitations/implications
Findings will be useful to develop superhydrophobic coatings with high thermal stability.

Practical implications
Sol method provides a suitable medium for the combination of organic-inorganic network to achieve high hydrophobicity with optimum surface roughness.

Originality/value
Application of different alkyl chain groups of silane resin blending with micro- and nanoparticles of Si pigments develops superhydrophobic coatings with high thermal stability.
The role of the C-suite in Agile transformation: the case of Amazon
Authors: Denning Stephen 
Published: November 2018

Purpose
Practitioners can learn much about how a CEO can generate and sustain business agility from examining the role of Jeff Bezos, the CEO of Amazon—arguably the world’s most-agile large organization.

Design/methodology/approach
Amazon demonstrates mastery of strategic agility by having successfully shifted Amazon into a whole series of new businesses on a massive scale.

Findings
As Amazon acquires new skills, it doesn’t just become more proficient in its own business: it turns these into newly-created capabilities into new businesses.”

Practical implications
For Bezos, the medium-term road map for the future is ‘pretty much all that he works on, delegating the day-to-day business operations to others.’ His job is all about long-term thinking.

Originality/value
This article examines Amazon’s remarkable record of continuous innovation in the light of its Agile mindset. The practices will be illuminating to senior executives seeking to promote an innovation-focused culture in their organizations.
Evaluating the Effectiveness of Integrating Food Science Lessons in High School Biology Curriculum in Comparison to High School Chemistry Curriculum
Authors: Stringer Elizabeth I. , Hendrix Jasmine D. , Swortzel Kirk A. , Williams J. Byron , Schilling M. Wes 
Published: November 2018

AbstractHistorically, high school chemistry has been the predominate venue for the introduction of food science curriculum to students. With the current decline in chemistry as a required course for graduation, the possibility of exposure to food science in high school could equally decline. The purpose of this research was to determine if high school students in a biology class without a chemistry background could comprehend eight basic food science principles equally as well as students in a chemistry class that were taught the same principles. This study assessed baseline knowledge of high school students, determined the effect of food science‐based lessons on baseline knowledge and level of understanding, and determined the effect of food science‐based lessons on students’ awareness of and interest in food science. Baseline knowledge and awareness of food science was low. Food science‐based instruction resulted in higher posttest scores. Results indicated no differences in students’ knowledge base and level of understanding between biology and chemistry classes and supported the idea of further incorporating a food science curriculum into high school biology.
Titanium dental implants with different collar design and surface modifications: A systematic review on survival rates and marginal bone levels
Authors: Messias Ana , Nicolau Pedro , Guerra Fernando 
Published: November 2018

AbstractAimThe aim of this study was to compare clinical and radiographic outcomes of dental implants with different neck characteristics.MethodsA protocol‐oriented search aimed at the question: “In patients subjected to tooth replacement with screw‐type dental implants does the modification of the implant neck macro‐ or microgeometry contribute to the improvement of survival rates and maintenance of the peri‐implant marginal bone levels?” Primary outcomes were survival and marginal bone level (MBL) changes evaluated on randomized controlled trials with >10 participants and follow‐up >1 year. Risk of bias was evaluated using the Cochrane Collaboration's tool. The review follows the PRISMA statement.ResultsForty‐three studies compared: (a) One‐ versus two‐piece implants (N = 7); (b) Two‐piece implants with different neck characteristics (machined and rough collars, microthreads, LASER microtexturing) (N = 21); (c) Two‐piece implants with macrogeometry modifications (tapering, back‐tapering, and scalloping) (N = 6). One‐ and two‐piece implants showed similar survival (RR = 0.45, 95% CI: [0.12, 1.66], p = 0.23) and MBL changes (WMD = 0.09 mm, 95% CI: [−0.27, 0.45], p = 0.64) at 1‐year post‐loading. Machined collar implants have higher risk of early failure than rough collar implants (RR = 3.96, 95% CI: [1.12, 13.93], p = 0.03) and 0.43 mm higher bone resorption (95% CI: [0.0, 0.86], p = 0.05). Microthreads (WMD = 0.07 mm, 95% CI: [−0.01, 0.15], p = 0.10) and LASER microtexturing (WMD = 0.15 mm, 95% CI: [−0.35, 0.65], p = 0.56) do not reduce bone resorption. Scalloped implants have 1.26 mm higher resorption (95% CI: [0.72, 2.00], p < 0.001).ConclusionsOne‐ and two‐piece implants have similar survival and MBL changes. Rough collar implants have lower MBL changes than machined collar implants. Additional modifications to rough collars are irrelevant.