bluuebunny/crossref_metadata_2025_split huggingface dataset:
The dynamic connectome of speech control
Authors: Valeriani Davide , Simonyan Kristina 
Published: September 2021

Speech production relies on the orchestrated control of multiple brain regions. The specific, directional influences within these networks remain poorly understood. We used regression dynamic causal modelling to infer the whole-brain directed (effective) connectivity from functional magnetic resonance imaging data of 36 healthy individuals during the production of meaningful English sentences and meaningless syllables. We identified that the two dynamic connectomes have distinct architectures that are dependent on the complexity of task production. The speech was regulated by a dynamic neural network, the most influential nodes of which were centred around superior and inferior parietal areas and influenced the whole-brain network activity via long-ranging coupling with primary sensorimotor, prefrontal, temporal and insular regions. By contrast, syllable production was controlled by a more compressed, cost-efficient network structure, involving sensorimotor cortico-subcortical integration via superior parietal and cerebellar network hubs. These data demonstrate the mechanisms by which the neural network reorganizes the connectivity of its influential regions, from supporting the fundamental aspects of simple syllabic vocal motor output to multimodal information processing of speech motor output.
This article is part of the theme issue ‘Vocal learning in animals and humans’.
Collagen VI regulates motor circuit plasticity and motor performance by cannabinoid modulation
Authors: Lam Daniel D. , Williams Rhîannan H. , Lujan Ernesto , Tanabe Koji , Huber Georg , Saw Nay Lui , Merl-Pham Juliane , Salminen Aaro V. , Lohse David , Spendiff Sally , Plastini Melanie J. , Zech Michael , Lochmüller Hanns , Geerlof Arie , Hauck Stefanie M. , Shamloo Mehrdad , Wernig Marius , Winkelmann Juliane 
Published: September 2021

ABSTRACTCollagen VI is a key component of muscle basement membranes, and genetic variants can cause monogenic muscular dystrophies. Conversely, human genetic studies recently implicated collagen VI in central nervous system function, with variants causing the movement disorder dystonia. To elucidate the neurophysiological role of collagen VI, we generated mice with a truncation of the dystonia-related collagen α3 (VI) (COL6A3) C-terminal domain (CTD). These Col6a3CTT mice showed a recessive dystonia-like phenotype. We found that COL6A3 interacts with the cannabinoid receptor 1 (CB1R) complex in a CTD-dependent manner. Col6a3CTT mice have impaired homeostasis of excitatory input to the basal pontine nuclei (BPN), a motor control hub with dense COL6A3 expression, consistent with deficient endocannabinoid signaling. Aberrant synaptic input in the BPN was normalized by a CB1R agonist, and motor performance in Col6a3CTT mice was improved by CB1R agonist treatment. Our findings identify a readily therapeutically addressable synaptic mechanism for motor control.SIGNIFICANCE STATEMENTDystonia is a movement disorder characterized by involuntary movements. We previously identified genetic variants affecting a specific domain of the COL6A3 protein as a cause of dystonia. Here, we we created mice lacking the affected domain and observed an analogous movement disorder. Using a protein interaction screen, we found that the affected COL6A3 domain mediates an interaction with the cannabinoid receptor CB1R. Concordantly, our COL6A3-deficient mice showed a deficit in synaptic plasticity linked to a deficit in cannabinoid signaling. Pharmacological cannabinoid augmentation rescued the motor impairment of the mice. Thus, cannabinoid augmentation could be a promising avenue for treating dystonia, and we have identified a possible molecular mechanism mediating this.
Prevalence of mutualism in a simple model of microbial co-evolution
Authors: Stucchi Luciano , Galeano Javier , Pastor Juan Manuel , Iriondo Jose María , Cuesta José A. 
Published: September 2021

AbstractEvolutionary transitions among ecological interactions are widely known, although their detailed dynamics remain absent for most population models. Adaptive dynamics has been used to illustrate how the parameters of population models might shift through evolution, but within an ecological regime. Here we use adaptive dynamics combined with a generalised logistic model of population dynamics to show that transitions of ecological interactions might appear as a consequence of evolution. To this purpose we introduce a two-microbial toy model in which population parameters are determined by a bookkeeping of resources taken from (and excreted to) the environment, as well as from the byproducts of the other species. Despite its simplicity, this model exhibits all sorts of ecological transitions, some of which resemble those found in nature. Overall, the model shows a clear trend toward the emergence of mutualism.
Bdelloid rotifers use hundreds of horizontally acquired genes against fungal pathogens
Authors: Nowell Reuben W. , Barraclough Timothy G. , Wilson Christopher G. 
Published: September 2021

AbstractObligately asexual lineages are typically rare and short-lived. According to one hypothesis, they adapt too slowly to withstand relentlessly coevolving pathogens. Bdelloid rotifers seem to have avoided this fate, by enduring millions of years without males or sex. We investigated whether bdelloids’ unusual capacity to acquire non-metazoan genes horizontally has enhanced their resistance to pathogens. We found that horizontally transferred genes are three times more likely than native genes to be upregulated in response to a natural fungal pathogen. This enrichment was twofold stronger than that elicited by a physical stressor (desiccation), and the genes showed little overlap. Among hundreds of upregulated non-metazoan genes were RNA ligases putatively involved in resisting fungal toxins and glucanases predicted to bind to fungal cell walls, acquired from bacteria. Our results provide evidence that bdelloids mitigate a predicted challenge of long-term asexuality in part through their ability to acquire and deploy so many foreign genes.
An integrative approach to mosquito dynamics reveals differences in people’s everyday experiences of mosquitoes
Authors: Evans M.V. , Bhatnagar S. , Drake J.M. , Murdock C.M. , Mukherjee S 
Published: September 2021

ABSTRACTUrban environments are heterogeneous landscapes of social and environmental features, with important consequences for human-nature entanglements, such as that of mosquito-borne disease.Investigations into this intra-urban heterogeneity in mosquito dynamics find conflicting results, likely due to the complex socio-ecological interactions and the importance of place-based context. Integrative research, which synthesizes multiple disciplines and epistemologies, can help place ecological results into their social context to explore these place-based differences.Here, we develop an integrative approach to understanding spatial patterns of mosquito burdens in urban systems by combining entomological surveys, semi-structured interviews, and sketch maps.Although we found no evidence for a difference in mosquito abundance across an urban gradient, there were differences in individuals’ everyday experiences with mosquitoes. These differences were mediated by how individuals moved through public space and their vulnerability to hazards in these spaces.This example of integrative research illustrates what can be gained from the inclusion of multiple epistemologies, particularly for research in socio-ecological systems.
Comparing trait syndromes between Taiwanese subtropical terrestrial and epiphytic ferns at the species and community level
Authors: Helsen Kenny , Viana Jéssica Lira , Lin Tsung-Yi , Kuo Li-Yaung , Zelený David 
Published: September 2021

AbstractBackground and AimsWhile functional trait-trait and trait-environment relationships are well studied in angiosperms, it is less clear if similar relationships, such as the leaf economics spectrum (LES), hold for ferns, and whether they differ between terrestrial and epiphytic fern communities. We used vegetation data collected along an elevation gradient in Taiwan to explore these relationships.MethodsWe measured nine leaf traits for 47 terrestrial and 34 epiphytic fern species across 59 vegetation plots along an elevation gradient in the subtropical forest of Northern Taiwan. We explored trait-trait and trait-environment relationships at both the species and community levels for both growth habits, while accounting for phylogenetic relationships.Key ResultsEpiphytes differed from terrestrial ferns in species- and community-level trait values, mainly reflecting responses to higher drought and nutrient stress. The angiosperm LES was reflected in the trait-trait correlations of terrestrial ferns and less expressively in epiphytes. This pattern suggests that mainly water rather than nutrient availability shapes epiphytic trait patterns. Trait-trait analysis on raw trait data and on independent contrasts vary in some ways. Trait-environment relationships were similar for several drought-related traits across both species’ groups.ConclusionsThis study illustrates that fern trait patterns are not entirely equivalent for epiphytic and terrestrial species or communities and should not be extrapolated across growth habits or between the species and community levels. Phylogenetic constraints may influence the trait-environment response of epiphytic species.
Green market orientation, green innovation capability, green knowledge acquisition and green brand positioning as determinants of new product success
Authors: Borah Prasad Siba , Dogbe Courage Simon Kofi , Pomegbe Wisdom Wise Kwabla , Bamfo Bylon Abeeku , Hornuvo Lawrence Kwabena 
Published: September 2021

PurposeThe purpose of this study is to assess if the mediating effect of green innovation capability (GIC) in the relationship between green market orientation (GMO) and new product success (NPS) was conditional on the moderating effects of green knowledge acquisition (GKA) and green brand positioning (GBP).Design/methodology/approachThe analysis was based on primary data gathered using a structured questionnaire, which was developed on a five-point Likert scale of 1-Strongly disagree to 5-Strongly agree. There were 259 manufacturing firms engaged in the study, with data analyzed using PROCESS macro (v.3.4) for SPSS (v.23).FindingsThe research revealed that GMO had no direct effect on NPS among manufacturing firms, the relationship was rather mediated by GIC of the firms. The effect of GMO on GIC was moderated by GKA, whereas the effect of GIC on NPS was moderated by GBP. Overall, the mediating effect of GIC in the relationship between GMO and NPS was conditional on the moderating effects of GKA and GBP.Research limitations/implicationsThe study focused on only knowledge acquisition (green), without recourse to assimilation, transformation and exploitation. These may, however, be very important in explaining the role of knowledge in green innovation.Practical implicationsGreen market-oriented manufacturing firms must seek to also make investments in GIC to transform those concepts into successful innovative products.Originality/valueDespite the increasing number of studies on GMO, very limited concentration has been paid to how firms could leverage on the potentials of GMO to enhance the success of new products introduced into the market. This study did not just establish the effect of GMO on the success of new products but also identified some intervening variables in this relationship.
University students’ perceptions of climate change: the case study of the University of the South Pacific-Fiji Islands
Authors: Prasad Ravinesh Rohit , Mkumbachi Ramadhani Lausi 
Published: September 2021

Purpose
Higher education plays a vital role in educating citizens about climate change and promoting pro-environment behavior. Based on this statement, this study aims to analyze and evaluate students’ perception of climate change at the University of the South Pacific in Fiji. The study aims to understand the main ideas and concepts of climate change by analyzing information habits and individual opinions on the causes of climate change as perceived by the students of two student organizations aimed at environmental protection.

Design/methodology/approach
A qualitative approach was used to gather data on students’ perceptions and information habits toward climate change. The data were collected through a questionnaire to characterize students from the socio-demography and their perceptions, information habits and knowledge relating to climate change. This paper uses the case study method to examine students’ climate change perceptions at two different student organizations at the same university. The research study involved a focus group technique. Two focus groups at the University of the South Pacific were administered. The focus groups’ selection in this study took into account the aims and objectives of the students’ organization toward climate change awareness, adaptation, mitigation and environment protection.

Findings
The focus groups participants believe that climate change is a serious problem in the South Pacific region. Results suggest significant differences in climate change perception at the two students’ organizations chosen for this study. Students at the Econesian society nicknamed climate change as a nuclear weapon for the South Pacific responsible for changes in the habitat, coral bleaching, lifestyle changes, mother of all other environmental problems and the introduction of invasive species into Fiji. Students at Wantok Moana-related climate change to drastic weather changes, lack of fish feed and additional toxins in the sea. The results also showed that students at the Econesian society have a better understanding of climate change than the students of Wantok Moana.

Practical implications
This paper provides an insight into how students of Small Islands Developing States view climate change and the factors affecting their opinions. It also shows how climate change perception varies within the same university. This implies the need to integrate climate change into the higher education curriculum and more research on this topic.

Originality/value
This paper is the first to compare and contrast university students’ climate change perception in Fiji. The results make an essential contribution to the extant climate change literature by identifying and categorizing climate change perception and the factors that shape students’ perception of climate change from the university students’ perspective in Fiji.
Research on mosquito repellent performance of bamboo-polyester blended anti-mosquito yarn seamless knitted fabric
Authors: Xu Jingying , Jin Zimin , Jin Jing , Lei Lei , Tao Jianwei 
Published: September 2021

PurposePeople have always been invaded by mosquitoes, and the development of new anti-mosquito fabrics has attracted much attention. The purpose of this paper is to study the effect of knitting process on the performance of anti-mosquito seamless fabrics and provide a basis for obtaining anti-mosquito seamless knitted fabrics with excellent comprehensive performance.Design/methodology/approachThis paper uses bamboo–polyester mosquito repellent yarn containing wormwood extract as the face of seamless knitted fabric. The test factors include ordinary material in the face yarn, ground yarn material, seamless knitted structure and arrangement ratio of ordinary yarn and anti-mosquito yarn in face yarn. According to the quasi-level additional orthogonal test, 12 knitting plans are determined, and the mosquito repellent test and durability test are performed on the fabric.FindingsThe experimental results show that the optimal fabric for anti-mosquito performance is 12#, and the average repellent rate after washing 15 times is 58.57%. The corresponding process is that the face yarn is fully anti-mosquito yarn, the fabric is a single-sided mesh structure and the ground yarn is made of 4.4tex moisture-absorbing nylon/2.2tex spandex wrapped yarn.Research limitations/implicationsIn this paper, there is still a lack of diversity in the selection of yarn materials and fabrics. In the follow-up research, the authors will use more fabrics and yarn materials for combination and experimentation and simulate and predict the mosquito resistance rate of knitted fabrics with different materials and structures.Practical implicationsThe development of anti-mosquito seamless knitted fabrics with good comprehensive performance and the use of environmentally friendly wormwood repellents not only conform to the current people's healthy and environmentally friendly life philosophy, but also promote the development of the functional seamless knitted fabric market.Social implicationsIn addition, seamless knitted fabrics have a huge market prospect, and many of their fabrics are used for sports underwear and outdoor wear. Therefore, the research and development of functional knitted fabrics will attract consumers to buy. While improving the wearing comfort, it can increase profits for the company.Originality/valueThe mosquito-proof functional seamless knitted fabric developed in this research has a high mosquito-proof rate after 15 times and can be used as underwear fabric or outdoor sports fabric.
Implications of GHRM on organisational citizenship behaviour: the mediating role of enablers of green culture
Authors: Muisyo Paul Kivinda , Qin Su , Ho Thu Hau , Julius Mercy Muthoni , Barisoava Andriamandresy Tsirinirinantenaina 
Published: September 2021

PurposeThe purpose of this research is to examine how firms can build collective organisational citizenship behaviour towards the environment (OCBE) from green human resource management (GHRM) practices. The study tests how the three main aspects of GHRM, namely green abilities, green motivation and green opportunities, give rise to the enablers of green culture (EGC). The study further tests how each of the EGC (leadership emphasis, message credibility, peer involvement and employee empowerment) leads to the development of OCBE at the organisational level of analysis.Design/methodology/approachData were collected from Taiwanese manufacturing companies with a target of departmental heads. The authors managed to get 284 valid responses and analysed the data using path analysis on Stata12.FindingsThe study findings suggest that GHRM practices that include developing green abilities, green motivation and green opportunities support the development of the EGC. The EGC include leadership emphasis, message credibility, peer involvement and employee empowerment. It was, however, found that green abilities do not support the development of message credibility. It was further found the EGC lead to the development of collective OCBE except for peer involvement.Originality/valueThe authors propose an original concept of EGC in the context of Taiwanese manufacturing firms. This paper is amongst the pioneer papers to test the OCBE at organisational level. The authors also develop an integrated conceptual framework upon which firms can use in order to build OCBE at organisational level. Previous studies have examined OCBEs at employee/individual level.
Representation and presentation of knowledge and processes – an integrated approach for a dynamic communication-intensive environment
Authors: Hübscher Gerd , Geist Verena , Auer Dagmar , Hübscher Nicole , Küng Josef 
Published: September 2021

PurposeKnowledge- and communication-intensive domains still long for a better support of creativity that considers legal requirements, compliance rules and administrative tasks as well, because current systems focus either on knowledge representation or business process management. The purpose of this paper is to discuss our model of integrated knowledge and business process representation and its presentation to users.Design/methodology/approachThe authors follow a design science approach in the environment of patent prosecution, which is characterized by a highly standardized, legally prescribed process and individual knowledge study. Thus, the research is based on knowledge study, BPM, graph-based knowledge representation and user interface design. The authors iteratively designed and built a model and a prototype. To evaluate the approach, the authors used analytical proof of concept, real-world test scenarios and case studies in real-world settings, where the authors conducted observations and open interviews.FindingsThe authors designed a model and implemented a prototype for evolving and storing static and dynamic aspects of knowledge. The proposed solution leverages the flexibility of a graph-based model to enable open and not only continuously developing user-centered processes but also pre-defined ones. The authors further propose a user interface concept which supports users to benefit from the richness of the model but provides sufficient guidance.Originality/valueThe balanced integration of the data and task perspectives distinguishes the model significantly from other approaches such as BPM or knowledge graphs. The authors further provide a sophisticated user interface design, which allows the users to effectively and efficiently use the graph-based knowledge representation in their daily study.
The role of sexting and related behaviors to victimization via nonconsensual pornography: an exploratory analysisof university students
Authors: Marcum Catherine D. , Zaitzow Barbara H. , Higgins George E. 
Published: September 2021

Purpose
The purpose of this study is to explore the experiences of university students with nonconsensual pornography. The focus of the present work is on nonconsensual pornography – the nonconsensual distribution of intimate images and sexual extortion – that are becoming common experiences for many people. While the forms of nonconsensual pornography may vary, each case has one thing in common: the offender has shared a private image of the victim without the victim’s consent.

Design/methodology/approach
The data for this study was collected from student participants at a southeastern university. The stratified sample of university students was sent a link to an online survey and the responses of those who chose to respond were used in subsequent analyses (n = 300).

Findings
The findings of this exploratory study show low self-control as a significant predictor of sexting. Significant predictors of victimization via nonconsensual pornography included participation in sexting and use of dating apps.

Originality/value
While not generalizable, the descriptive data provide an important landscape for consideration of policy and legal recommendations to protect potential victims as well as would-be perpetrators beyond a university setting.