From molecule, to cell, to organism. The high-level drug research at the Cell Observatory aimes at reducing the spread of cancer and developing new medicines for tuberculosis.

The SNP genotyping line offers flexible genotyping for small and large projects at affordable price and high quality. The use as SNPs as molecular markers is very versatile and can be used for a wide variety of scientific questions ranging from paternity analysis, conservatuion genetis towards QTL…

Biosynthetic gene clusters (BGCs) for natural products are widespread in microbial genomes, and they are rapidly exchanged. This research assesses the factors that control the spread of BGCs and resistance genes in nature. This includes risk assessment for the spread of engineered DNA in nature.

Steering soil microbiomes for better crop quality: the holy grail to improve human health?

Every year, the Leiden Institute of Physics (LION) organises the Science Day. The goal is to highlight the newest research at LION, to socialise, and to welcome first year master students and new PhD candidates to our institute.

A global perspective on the nature and evolution of nationalism, from the early modern era to the present.

The CIGR brings together a diverse range of unique expertise in genome research rooted in biology, chemistry and physics. Members of the CIGR investigate genome folding and genome transactions. An important aspect is direct as well as long term relevance for medicine.

Synthetic microswimmers take an important place within the interdisciplinary field of active soft matter.

Which plant species grow where - and why? In a new study in Nature Ecology & Evolution, an international research team presents the world's first global vegetation database which contains over 1.1 million complete lists of plant species for all terrestrial ecosystems. Leiden professor of Environmental…

The Hortus botanicus Leiden has one of Europe’s largest collections of living plants from the Asian region. This rich resource is no longer the sole domain of botanists. Multidisciplinary research, teaching and the general public are equally at home in the Hortus. This is the view of Paul Kessler, professor…

Recent publications

How do you ensure that a drug has an effect on the right protein – and nothing else? Chemist Anthe Janssen explored various methods for determining the selectivity of potential medicines. He also looked at the substance BIA 10-2474, after a man died in a French clinical trial in 2016. PhD defence on…

Hortus botanicus Leiden is the first Dutch garden to receive an accreditation from Botanic Gardens International (BGCI). The Conservation Practitioner Accreditation is a certificate that recognizes the policy, knowledge & expertise and education with regard to plant conservation at an international…

This project investigates the causes of the major archaeological change in the period of 40.000-20.000 BC in South Africa.

Crises like climate change and loss of biodiversity threaten our planet. That’s why sustainability is an important topic in research and education across Leiden University. On this website you read how scientists from many disciplines work together in researching sustainability.

Botanisch filosoof Norbert Peeters vertelt over hoe mensen omgaan met planten in het algemeen, en met onkruid in het bijzonder.

Leiden researchers, Professor Remko Offringa and co-applicants Salma Balazadeh and Frederic Lens received an NWO-XL grant (2.5 million euros). Together with researchers in Wageningen and Groningen, they will study the genetic and environmental drivers of woodiness. From plant to molecule, the groups…

Fungi living in vanilla plants play a role in the development of the taste and smell of vanilla, according to Shahnoo Khoyratty of the Institute of Biology Leiden. PhD defence on 27 October.

The purpose of eLaw's Working Groups is to stimulate a productive working environment for cooperation within the Center for Law and Digital Technologies at Leiden University.

Plant communities consisting of many different species are less vulnerable to attacks of plant eating animals or diseases than less diverse communities. It also helps if plant species in one community are not closely related to each other. That is the outcome of an international study published in Nature…

A new study in Nature Plants has explored the most important organising principles that control vegetation behaviour. The insights from this study can be used to improve predictions on climate change. Leiden scientists Peter van Bodegom and Nadia Soudzilovskaia participated in the study.

An international research team is to search for invisible life in the Galápagos Islands. The diversity of bacteria and other microscopic organisms may not be evident to the naked eye, but it is essential to nature. To the islands' giant daisies, for instance: unique endemic plants that are currently…

Master's student Thalia Luden receives an NWO grant for her research proposal about a gene that brings flowering plants back into a growth phase. Companies in floriculture and vegetable seed breeding also contribute to the research.

The treasure houses of Leiden's University Library and Naturalis house wonderful historical collections with dried plants and botanical drawings. Professor by Special Appointment Tinde van Andel will be studying these collections. Inaugural lecture 6 January.

Plants are vital resources throughout human history, but we know little about how they were used and valued prior to agriculture. Sandrine Gallois, an ethnoecologist working in the ERC-funded HARVEST project, has developed an interdisciplinary approach, combining anthropology and botany to explore how…

Primate and test specialist Jane Goodall paid a visit to the Hortus botanicus in Leiden on 21 May for a ‘meet & greet’. Goodall, a world-famous researcher and nature protectionist, was presented with an orchid named after her and used the occasion to draw attention to the issue of plant protection.…

The Hortus Botanicus is celebrating its 425-year anniversary this year. It’s the oldest botanical garden in the Netherlands, but how did it come into existence and what kind of research takes place there?

Laura Heitman has been awarded a VIDI grant for her innovative drug research. Heitman strives to optimize a drug’s binding kinetics at its target in order to ultimately fight diseases effectively. She even pleads for a paradigm shift in drug discovery.

The Netherlands Organisation for Scientific Research has awarded dr. Geeske Langejans a Veni grant for the research project What's in a plant? Tracking early human behaviour through plant processing and exploitation.

For more than forty years Heinrich Witte was responsible for the flora in the Hortus botanicus in Leiden. The 19th-century garden manager made the Netherlands famous with plants from Japan. The Old University Library is showing an exhibition of his work (19 August to 4 November).

The project MiCRop receives 20.3 million euros from the Gravitation programme of the Dutch Research Council (NWO). MiCRop will unravel the microbial community around crops. This knowledge will help to develop more sustainable crops that require fewer fertilizers and pesticides. Leiden professors Jos…

The Leiden Hortus Botanicus is the oldest botanical garden in the Netherlands. Although perfect for a ramble, it is much more than an open air museum. PhD students carry out their research here and the Hortus makes a serious contribution to biodiversity through the exchange of rare seeds with other…

A publication in Nature Plants by a team of Leiden biologists has received national and international media attention. The researchers can have annuals flower multiple times thanks to a particular gene they discovered.

The Hortus Botanicus is celebrating its 425-year anniversary this year. It’s the oldest botanical garden in the Netherlands, but how did it come into existence and what kind of research takes place there?

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

Metal complexes and 2D materials like graphene were combined to produce structures that can function as sensors.

Cathodic corrosion is a relatively unknown phenomenon that can severely etch metallic electrodes at cathodic (negative) potentials.

Single-molecule spectroscopy has become a powerful method for using organic fluorescent molecules in numerous applications.

Great news! From Whit Monday at noon, the oldest botanical garden in the Netherlands will be open for visitors again. After twelve weeks of closure, visitors will be able to come and enjoy everything that grows and blossoms in the heart of Leiden's city center. In order to offer all visitors and staff…

Plant scientist Omid Karami is the first winner of the Krijn Rietveld Memorial Innovation Award. The jury praises the outstanding quality of his scientific research as well as the positive societal impact and commercial potential of his work.

The number of insect species is plummeting, which is why the University is creating a more biodiverse environment around its buildings. Annetje Ottow, President of the Executive Board, planted the first bee-friendly plants in the front garden of Oude UB on 20 September.

The transition to new and renewable energy sources should be completed by 2050. Researchers in various disciplines at Leiden University are conducting unique research that will help us make this transition and reduce CO2 emissions.

To be eligible for Biology and Education at Leiden University, you must meet the following admission requirements.

To be eligible for Biology at Leiden University, you must meet the following admission requirements.

Science, Institute of Biology Leiden (IBL)

Overview of all dissertations published by PhD candidates from CML.

In the tropical rainforests of Southeast Asia the soursop family (Annonaceae) can be found. The genus Uvaria is a part of this family, but it has not yet been described entirely correctly. That is what Annas Rabbani will be studying during the next four years as a PhD student at the Hortus botanicus…

Salma Balazadeh, Víctor Carrión, and Jos Raaijmakers, biologists at the Institute of Biology Leiden (IBL), have successfully applied for an NWO grant and got awarded 730.000 euros. The board of NWO Domain Applied and Engineering Sciences awarded funding for their project within the Open Technology Programme…

LUGO has some news: If you are using a public computer from Leiden University, you can now set your default search engine to Ecosia.