Brit in Napa. Public policy. Other account: @GuysGrapes
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Articles by Guy Levin
A high-light tolerant alga from the desert is protected from oxidative stress by NPQ-independent responses
Abstract Non-photochemical quenching (NPQ) mechanisms are crucial for protecting photosynthesis from photoinhibition in plants, algae, and cyanobacteria, and their modulation is a long-standing goal for improving photosynthesis and crop yields.
The high-light-tolerant desert alga Chlorella ohadii is protected from oxidative stress by a non-photochemical quenching-independent mechanism
Abstract Non-photochemical quenching (NPQ) mechanisms are crucial for protecting photosynthesis from photoinhibition in plants, algae, and cyanobacteria, and their modulation is a long-standing goal for improving photosynthesis and crop yields.
The protein phosphorylation landscape in photosystem I of the desert algae Chlorella sp.
Introduction Thylakoid protein phosphorylation was discovered decades ago (Bennett, 1977). Ever since, its importance in the regulation of photosynthesis under different light conditions has been demonstrated in many contexts (Allen, 1992; Jonwal et al., 2022). The most studied process is the phosphorylation of photosystem II (PSII) and light-harvesting complex II (LHCII) subunits.
The protein phosphorylation landscape in photosystem I of the desert algae Chlorella sp.
Abstract The phosphorylation of photosystem II (PSII) and its antenna (LHCII) proteins has been extensively studied and its involvement in state transitions and PSII repair is well known. Yet, very little is known about the extent and functions of phosphorylation of photosystem I (PSI) and its antenna (LHCI) proteins.
LHC-like Proteins: The Guardians of Photosynthesis
Abstract : The emergence of chlorophyll-containing light-harvesting complexes (LHCs) was a crucial milestone in the evolution of photosynthetic eukaryotic organisms. Light-harvesting chlorophyll-binding proteins form complexes in proximity to the reaction centres of photosystems I and II and serve as an antenna, funnelling the harvested light energy towards the reaction centres, facilitating photochemical quenching, thereby optimizing photosynthesis.
API Development with Design-first Approach
Today, the best practice when implementing APIs on a large scale is to start with an API design stage. This approach is called API design-first, sometimes also known as API-first, schema-first, or design-first. The design-first approach advocates for designing the API’s contract first before writing any code. This is a relatively new approach, but is quickly catching on, especially with the use of API description formats.
Top 5 REST API Design Problems
Top 5 REST API Design Problems Here at RestCase, we are working with many companies and help them develop secure services and APIs. When working with developers on how to design and build quality APIs and microservices, and I am seeing many common design problems that are not organization/company-specific. These problems are better to be addressed at the design phase since it will make your API consistent, more readable, and robust.
State of API Security
The current age is the age of science and technology. With the advent of modern technology, the problems associated with modern technology have also increased to a great level. Application Programming Interfaces (APIs) have become all the rage nowadays, with enterprise developers now relying heavily on them to support the delivery of new products and services. With the number of APIs increasing, the amount of data that is passed on networks is also increasing.
Four Most Used REST API Authentication Methods
While there are as many proprietary authentication methods as there are systems that utilize them, they are largely variations of a few major approaches. In this post, I will go over the four most used in the REST APIs and microservices world. Authentication vs. Authorization Before I dive into this, let's define what authentication actually is, and more importantly, what it’s not.
Top 7 REST API Security Threats
Internet security is a topic that has been discussed increasingly quite often by technology blogs and forums and with valid reason: the numerous high profile security breaches have grown up significantly in recent years. Security is of great importance, especially in the world of REST APIs. API security is the single biggest challenge organizations want to see solved in the years ahead, and solving the security challenge is expected to be a catalyst for growth in the API world.
The Role of API Gateways in API Security
This article is featured in the new DZone Guide to API Management: Comparative Views of Real World Design. Get your free copy for more insightful articles, industry statistics, and more! When switching from a monolith application to microservices, the behavior from the client side cannot be the same as it was, where the client had one entry point to the application.
API Management: Comparative Views of Real-World Design
Although some believe Java is dying, developments such as the upcoming release of Java 9 and the strength of the Java community tell another story. New JVM-based languages like Kotlin and exciting changes in Java 9 such as Project Jigsaw, Streams API improvements, and JShell prove a bright future ahead. The 2017 Guide to Java explores upcoming features of Java 9, how to make your apps backwards-compatible, a look into whether Microservices are right for you, and using the Futures API in Java.
REST APIs: From Idea to Release
We often think of API definition as beginning with the description file, most of us are using swagger or OpenApi. The challenge with this approach is that API producers often get into the weeds on resource names and methods before actually determining what the API capabilities need to be. When a company decides to release an API, depends on the API type, she must first accomplish an MVP (Minimal Viable Product).
7 Rules for REST API URI Design
Before going over the rules for REST API URI design, let’s do a quick overview on some of the terms we are going to talk about. URIs REST APIs use Uniform Resource Identifiers (URIs) to address resources. On today’s web, URI designs range from masterpieces that clearly communicate the API’s resource model, to those that are much harder for people to understand.
REST API Error Handling — Problem Details Response - DZone Integration
I have been a REST API developer for many years and helped many companies to create APIs. One of the areas that are key to building a successful API is the error handling/response. Some time ago, I wrote about the "REST API Error Handling Best Practices," which became a very popular post. At that time, I wish that I knew what I know now about rfc7807, the standard that actually defines the interface of a correct and well-known error response.
REST API Security
Security aspects should be a serious consideration when designing and deploying a RESTful API. In today’s connected world, where information is being shared via APIs to external stakeholders and within internal teams, security is a top concern. API security is the single biggest challenge organizations want to see solved in the years ahead, and solving the security challenge is expected to be a catalyst for growth in the API world.
Introduction to REST API Security Guidelines
REST is an acronym for Representational State Transfer. This is a software architectural style that allows for many protocols and underlying characteristics the government of client and server behavior. Application Programming Interface (API) is a set of clearly defined methods of communication between various software components. A good API makes it easier to develop a computer program by providing all the building blocks.
Integration: API Design and Management - Dzone Research Guides
The DZone 2014 Guide to Continuous Delivery provides data, ideas, and solutions that your organization can use to drastically improve its software production process. The DZone Guide to the Java Ecosystem is an essential publication for understanding current research and trends surrounding Java development. It covers benefits of recent language updates, microservices and containers as they apply to Java, practical monitoring advice, and reactive programming principles.
Integration: Microservices, APIs, and Platforms - Dzone Research Guides
The DZone 2014 Guide to Continuous Delivery provides data, ideas, and solutions that your organization can use to drastically improve its software production process. The DZone 2014 Guide to Mobile Development gives readers a full picture of the various approaches to mobile development, enabling them to overcome its biggest obstacles. The DZone Guide to the Java Ecosystem is an essential publication for understanding current research and trends surrounding Java development.
Moving on - Medium
I may write more about moving on in a future post, but for now the most important thing is to find someone awesome to take over the reins as Coadec’s Executive Director. I’m stepping down in mid-May, so we’re keen to find someone soon. If you think you fit the bill, or know someone who does, feel free to drop me a line ([email protected] ), or apply online at Workable here. Coadec is the policy voice of the UK’s digital startups.
Coadec: The Coalition for a Digital Economy
Today the Chancellor, George Osborne, delivered his Budget. It was fairly light on tech announcements, but there is a section dedicated to the ‘Digital Economy’ (see section 5.9), and perhaps more importantly there are significant changes to business taxes with a focus on helping small business.
Britain's brightest: "We must stay in the EU"
In June British voters will be asked to decide to leave or stay in the European Union. Politicians are divided and the debate is already hotting up. The outcome will have a huge impact on businesses of all sizes up and down the country. Earlier this week 36 of our biggest companies threw their weight behind the campaign to stay a member.
Digital startups want us to remain in the EU
tl;dr Coadec’s survey found that 81% want to remain in the EU The referendum has now been called, and the next four months will be dominated by the debate over whether the UK should remain in, or leave, the European Union. To gauge the opinion of the UK’s digital startups (and to inform Coadec’s own position) we have been surveying startup founders, and people who invest in and work in the UK’s digital startups.
Coadec’s submission to the UK Digital Strategy
We welcome the government’s plans to create a Digital Strategy. This is a brilliant opportunity to build upon the UK’s digital success, raise the level of ambition for the future, and bring together often siloed thinking on policies across government. Things have been going well in recent years and the UK has a thriving digital economy, worth around 10% of GDP and contributing £180 billion to the economy.
What does the Tier 2 immigration review mean for startups?
An explainer of the Migration Advisory Committee’s review Today the Migration Advisory Committee (MAC) published their review of the Tier 2 (skilled) immigration. The MAC is an independent group of economists who advise the government on immigration policy — in other words what they say isn’t government policy, although government often does what they suggest. Tier 2 is the immigration route for skilled workers from outside the EU who have an offer of employment in a UK company.
Tell government what you want
On December 29th the government announced a ‘call for ideas’ for a new Digital Strategy. Ed Vaizey (Minister for Culture and the Digital Economy) explained more in a blog. This is a big opportunity for those of us who seek to influence government policy when it comes to tech and startup policy. They are looking for new ideas about where to focus their energies next. It’s an open-ended call for ideas, and unlike most government consultations it doesn’t have a fixed list of questions.
What does George Osborne's tech-lite Autumn Statement mean?
The big picture was all about public spending – more money (or at least no cuts) for health, aid, schools and defence, cuts everywhere else. But the cuts that were announced are not at the same scale as we’d previously expected. This was largely because the Chancellor was handed a £27 billion improvement in the Government’s coffers, thanks to some improved growth forecasts and technical tweaks. This wiggle room also allowed Osborne to defuse some of the major political issues he faced.
Startups should lead the way on the living wage
London is a world-leading city in many respects, including when it comes to digital startups. In a new study out a few weeks ago from Nesta, London topped the rankings for the best city for startups and scale-ups. However, it came 35thon ‘lifestyle’ – their term for cost of living –a sure sign that we should be worried. Cities like Berlin and Lisbon have thriving tech scenes, in part due to their much more affordable housing and office space.
Why Britain needs skilled migrants
I believe that the UK’s digital startups benefits hugely from international talent, both from incredible founders and from the teams they hire.
What to look out for in the first Conservative Budget in 19 years
The last official forecasts suggested that the UK would borrow £75bn this year, and the Conservative manifesto committed the government to eliminating this deficit by 2018. The last official forecasts suggested that the UK would borrow £75bn this year, and the Conservative manifesto committed the government to eliminating this deficit by 2018.
Review: The Business of Sharing
The sharing economy—which Stephany endeavours to unpack—is a catch-all term referring to a new wave of businesses like Airbnb, Uber and JustPark that let you profit from unused assets, like renting out your spare room or a spare parking space. Stephany—whose company JustPark lets you rent parking spots—starts by recounting an anecdote of when Airbnb founder Brian Chesky tried to explain the concept of his new business to his mother.
Will too many tweets make a twat at this election?
Will too many tweets make a twat during this election? Back in 2009 David Cameron presciently warned that “too many tweets might make a twat”. Since then we’ve seen a huge array of political Twitter gaffes, from Ed Balls tweeting his own name, sparking a new meme, to Ed Miliband’s infamous ‘Blackbusters’. Then there was George Osborne triggering mockery after tweeting a picture of his Byron burger, and Emily Thornberry’s condescending tweet about Rochester that led to her resignation.
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