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340 result(s) for "Kendall, Sarah"
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ESPIONAGE LAW IN THE UK AND AUSTRALIA: BALANCING EFFECTIVENESS AND APPROPRIATENESS
This article engages in a comparative analysis of espionage law in the UK and Australia to determine whether the laws in each country are effective and appropriate. It finds that, while the espionage laws in both countries are largely capable of effectively addressing modern espionage, this has come at the expense of appropriateness – specifically, aspects of the laws in both jurisdictions are complex, uncertain and overly broad, and defences and other safeguards for legitimate conduct have limitations. The article argues that, while the effectiveness of espionage (and other national security) laws is an important consideration, this must be balanced with appropriateness to ensure that core rule of law values and legal principles are not undermined.
Induction of Dormancy in Arabidopsis Summer Annuals Requires Parallel Regulation of DOG1 and Hormone Metabolism by Low Temperature and CBF Transcription Factors
Summer annuals overwinter as seeds in the soil seed bank. This is facilitated by a cold-induced increase in dormancy during seed maturation followed by a switch to a state during seed imbibition in which cold instead promotes germination. Here, we show that the seed maturation transcriptome in Arabidopsis thaliana is highly temperature sensitive and reveal that low temperature during seed maturation induces several genes associated with dormancy, including DELAY OF GERMINATI0N1 [DOG1), and influences gibberellin and abscisic acid levels in mature seeds. Mutants lacking DOG1, or with altered gibberellin or abscisic acid synthesis or signaling, in turn show reduced ability to enter the deeply dormant states in response to low seed maturation temperatures. In addition, we find that DOG1 promotes gibberellin catabolism during maturation. We show that C-REPEAT BINDING FACTORS (CBFs) are necessary for regulation of dormancy and of GA2OX6 and DOG1 expression caused by low temperatures. However, the temperature sensitivity of CBF transcription is markedly reduced in seeds and is absent in imbibed seeds. Our data demonstrate that inhibition of CBF expression is likely a critical feature allowing cold to promote rather than inhibit germination and support a model in which CBFs act in parallel to a low-temperature signaling pathway in the regulation of dormancy.
Seed production temperature regulation of primary dormancy occurs through control of seed coat phenylpropanoid metabolism
Environmental changes during seed production are important drivers of lot‐to‐lot variation in seed behaviour and enable wild species to time their life history with seasonal cues. Temperature during seed set is the dominant environmental signal determining the depth of primary dormancy, although the mechanisms though which temperature changes impart changes in dormancy state are still only partly understood. We used molecular, genetic and biochemical techniques to examine the mechanism through which temperature variation affects Arabidopsis thaliana seed dormancy. Here we show that, in Arabidopsis, low temperatures during seed maturation result in an increase in phenylpropanoid gene expression in seeds and that this correlates with higher concentrations of seed coat procyanidins. Lower maturation temperatures cause differences in coat permeability to tetrazolium, and mutants with increased seed coat permeability and/or low procyanidin concentrations are less able to enter strongly dormant states after exposure to low temperatures during seed maturation. Our data show that maternal temperature signalling regulates seed coat properties, and this is an important pathway through which the environmental signals control primary dormancy depth.
Australia's new espionage laws: Another case of hyper-legislation and over-criminalisation
Australia introduced its first espionage offence in 1914. This was repealed in 2002 and replaced with four new offences. Just 16 years later, these offences have again been the subject of legislative change; in June 2018, they were repealed and replaced with 27 new offences. Justifications for the introduction of both the 2002 and 2018 offences were on the grounds that existing offences (relevantly the original 1914 offence or the 2002 offences) failed to capture modern espionage practices, deter espionage activity and secure convictions. Examination of the original and 2002 offences demonstrated that, in these respects, those offences failed to address espionage used today. The 2018 offences, however, remedy that failure and are therefore necessary to effectively address espionage used in today's world. Despite this, the broad nature of conduct criminalised by some of the offences raises concerns over criminalisation of conduct that may have an innocent explanation. Further concerns arise over the number and overlapping nature of the new offences. Discussion of these issues may provide useful insights for movements toward law reform in the United Kingdom and other Five Eyes nations.
Toward sustainable food consumption: an indicator framework for a food provisioning sustainable consumption corridor (SCC)
Non-technical summaryGrowth in resource consumption and associated environmental degradation threatens food systems, with millions of people living in hunger globally, demonstrating the need for greater socio-ecological efficiency in food provisioning. This paper considers how sustainable consumption can ensure that human needs with regards to food provisioning (food security) are met within globally sustainable limits. It follows a sectoral approach to sustainable consumption corridors (SCCs), to develop an indicator framework for a food provisioning systems SCC.Technical summaryBridging social and ecological evaluations of sustainability in food systems has proved to be a challenge, illustrating the need for indicator sets which link environmental impacts and social achievement within a single framework. This work aims to fill that research gap by considering how the sustainable consumption corridor (SCC) framework can be used to examine the socio-ecological efficiency of food provisioning systems and developing a comprehensive SCC framework for food provisioning. The framework uses domains to define the minimum level of consumption needed to meet human needs (social foundation [SF]) and the maximum level of environmental impact the earth system can tolerate (ecological ceiling [EC]) while sustainably meeting those needs. It does so through the production of an indicator set for food provisioning systems that gives indicators and thresholds for the EC and SF domains within a single framework. This output is followed by a discussion of how this global SCC framework could be altered for use in different contexts, and suggestions for how such a framework could inform consumption linked sustainability policy.Social-media summaryThis work puts forth a sustainable consumption corridor framework to evaluate if food provisioning systems are meeting human needs within sustainable limits.
Gender Equality for a Thriving, Sustainable Arctic
On 21 May 2021, a milestone Pan-Arctic Report: Gender Equality in the Arctic was published in tandem with the Arctic Council’s Ministerial Meeting held in Reykjavík, 19–20 May 2021. This article provides a brief review of the report and its major findings across six chapters that address key themes concerning gender equality in the Arctic: Law and Governance, Security, Gender and Environment, Migration and Mobility, Indigeneity, Gender, Violence, Reconciliation and Empowerment and Fate Control. A major conclusion of the report is that accessible, comparable, gender-disaggregated, and Arctic -specific data is severely lacking. Further, all chapters highlight the importance of gender-based analysis and gender mainstreaming in all decision-making processes at national and regional levels. The varying roles that gender—and its intersections with existing inequalities—plays in mediating the impacts of climate change and other socioeconomic transformations are also discussed throughout the report. The Arctic Council is identified as the main driver for implementing recommendations that were provided and discussed at the Council’s Ministerial Meeting and in the Reykjavík Declaration 2021, where the eight ministers of Arctic states “Emphasize[s] the importance of gender equality and respect for diversity for sustainable development in the Arctic… encourage[s] the mainstreaming of gender-based analysis in the work of the Arctic Council and call[s] for further action to advance gender equality in the Arctic”. This report and its policy relevant highlights, address these priorities and serve as a knowledge base for promoting gender equality and non-discrimination in the Arctic.
Risk and uncertainty in public interest journalism: The impact of espionage law on press freedom
This article draws together legal analysis and qualitative interviews with newsroom professionals to examine the impact of Australia's extensive suite of espionage offences on press freedom. This two-pronged analysis reveals that the espionage laws introduced in 2018 pose a significant risk of criminalising legitimate journalism and that this, in combination with their staggering complexity and uncertain scope, is contributing to the 'chilling' of public interest journalism in Australia. The article concludes with recommendations for law reform to protect national security without unduly encroaching on press freedom.
The Trauma-Informed Trial
The criminal trial (and broader legal system) replicates trauma dynamics. For court participants who have experienced traumatic events (such as victims, defendants and other witnesses), this creates a risk of re-traumatisation. The concept of trauma-informed practice aims to guide practices so that re-traumatisation is minimised and no further harm is done. While a number of conceptual frameworks for trauma-informed practice have been developed, these have limitations, including that a conceptual framework for application in the context of the criminal trial (and, indeed, the legal system more broadly) has not yet been settled. This article presents a conceptual framework for the ‘trauma-informed trial’. Such a framework will be an invaluable tool for those seeking to assess the extent to which existing criminal trial practices are trauma-informed and to inform development of trauma-informed reforms to the trial. In this way, application of the framework may assist to minimise the re-traumatisation of criminal trial participants. With further refinement, the conceptual framework could even be suitable for application to other legal system contexts.
The trauma-informed trial: A conceptual framework to guide practice
The criminal trial (and broader legal system) replicates trauma dynamics. For court participants who have experienced traumatic events (such as victims, defendants and other witnesses), this creates a risk of re-traumatisation. The concept of trauma-informed practice aims to guide practices so that re-traumatisation is minimised and no further harm is done. While a number of conceptual frameworks for trauma-informed practice have been developed, these have limitations, including that a conceptual framework for application in the context of the criminal trial (and, indeed, the legal system more broadly) has not yet been settled. This article presents a conceptual framework for the 'trauma-informed trial'. Such a framework will be an invaluable tool for those seeking to assess the extent to which existing criminal trial practices are trauma-informed and to assist with development of trauma-informed reforms to the trial. In this way, application of the framework may contribute towards minimising the re-traumatisation of criminal trial participants. By applying the methodology utilised in this article, similar conceptual frameworks could be developed for application to other legal system contexts.
Mutation of the cytosolic ribosomal protein-encoding RPS10B gene affects shoot meristematic function in Arabidopsis
Plant cytosolic ribosomal proteins are encoded by small gene families. Mutants affecting these genes are often viable, but show growth and developmental defects, suggesting incomplete functional redundancy within the families. Dormancy to growth transitions, such as the activation of axillary buds in the shoot, are characterised by co-ordinated upregulation of ribosomal protein genes. A recessive mutation in RPS10B, one of three Arabidopsis genes encoding the eukaryote-specific cytoplasmic ribosomal protein S10e, was found to suppress the excessive shoot branching mutant max2-1. rps10b-1 mildly affects the formation and separation of shoot lateral organs, including the shoot axillary meristems. Axillary meristem defects are enhanced when rps10b-1 is combined with mutations in REVOLUTA, AUXIN-RESISTANT1, PINOID or another suppressor of max2-1, FAR-RED ELONGATED HYPOCOTYL3. In some of these double mutants, the maintenance of the primary shoot meristem is also affected. In contrast, mutation of ALTERED MERISTEM PROGRAMME1 suppresses the rps10b-1axillary shoot defect. Defects in both axillary shoot formation and organ separation were enhanced by combining rps10b-1 with cuc3, a mutation affecting one of three Arabidopsis NAC transcription factor genes with partially redundant roles in these processes. To assess the effect of rps10b-1 on bud activation independently from bud formation, axillary bud outgrowth on excised cauline nodes was analysed. The outgrowth rate of untreated buds was reduced only slightly by rps10b-1 in both wild-type and max2-1 backgrounds. However, rps10b-1 strongly suppressed the auxin resistant outgrowth of max2-1 buds. A developmental phenotype of rps10b-1, reduced stamen number, was complemented by the cDNA of another family member, RPS10C, under the RPS10B promoter. RPS10B promotes shoot branching mainly by promoting axillary shoot development. It contributes to organ boundary formation and leaf polarity, and sustains max2-1 bud outgrowth in the presence of auxin. These processes require the auxin response machinery and precise spatial distribution of auxin. The correct dosage of protein(s) involved in auxin-mediated patterning may be RPS10B-dependent. Inability of other RPS10 gene family members to maintain fully S10e levels might cause the rps10b-1 phenotype, as we found no evidence for unique functional specialisation of either RPS10B promoter or RPS10B protein.