Which plant leaf characteristics are involved in thrips resistance in tomato?

Leiden has one of the most petrified inner-cities of The Netherlands. This is not beneficial for the biodiversity crisis and Leiden University, with a significant number of buildings within the Singels, should be more proactive on this matter. Currently, LUGO is taking steps with internal departments…

Description of 20th century changes in the Dutch flora: Description and interpretation (1999 - 2005)

Leiden has one of the most petrified inner-cities of The Netherlands. This is not beneficial for the biodiversity crisis and Leiden University, with a significant number of buildings within the Singels, should be more proactive on this matter. Currently, LUGO is taking steps with internal departments…

We depend on nature for so many things: from clean water, wood and food to carbon absorption, water purification and coastal protection, as well as for relaxation, inspiration and identity. Nevertheless, our modern world putting increasing pressure on these ecosystem services. Leiden researchers investigate…

Local residents, scientists and students are investigating riverbanks in Leiden for the 'Bank Plants' citizen science project. Which plant species are found where? And how can the municipality of Leiden improve its riverbank management to ensure optimal biodiversity?

At the end of the fifteenth century, two intriguing Christian epics were written in Virgilian Latin by the poets Sannazaro and Vida. They did so in accordance with the wishes of the pope. These epics, both praised and criticized by contemporaries, are often seen as innovative for their specific combination…

Hifadhi ya Dijiti ya Ustadh Mau

Kim Stroet is examining how the interaction between teachers and pupils influences pupils’ motivation. ‘Children need to have the feeling that they are in control of their own learning process.’

The Research MA Classics and Ancient Civilizations covers two years and can be studied in four tracks: Classics is one of them. While diving into the literary, cultural and intellectual worlds of Greece and Rome, you will be involved in current research, and stimulated to reflect on the significance…

Plants that are pollinated by fewer species of animal may be less vulnerable to change than was thought. This is what Saskia Klumpers discovered in the Rocky Mountains in Colorado. She will be awarded a PhD on 15 December.

To explore the potential of marine microorganisms as producers of novel antimicrobial agents and as bioprotectants in aqua- and agriculture, using an integrative, ecology-based strategy for bioprospecting.

Methodology & Statistics offers bachelor's courses and a master's specialisation.

Source: Biochem Pharmacol, Volume 95, Issue 4, pp. 290-300 (2015)

How is Pol θ responsible for T-DNA integration, and how do other DNA double-strand break repair pathways interact with Pol θ? How may we manipulate T-DNA integration to stimulate error-free integration at a predetermined genomic site?

Supervisor: Xue Yang

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…

Are there significant differences among the environmental impacts resulting form the production of Asian aquaculture commodities and what are the main causes for these?

Leiden University Library holds two drawings and in the region of a hundred prints by Rembrandt, as well as works by his pupils and the staff of his studio. That explains why this self-portrait etching dating from 1631, his Leiden period, can be seen on the façade of the University Library.

In our lives we often have little attention or appreciation for plants, let alone the ones we commonly call weeds. This inattention for plants has been described as plant blindness. The Stoepplantjes project aspires to decrease plant blindness by changing the image of weeds and using citizen science.…

There’s more to life than studying hard; sometimes you just need to relax. It’s good to know then that The Hague’s offering in the area of sport and culture is surprisingly extensive.

The ‘Amorphophallus titanum’ at the Hortus botanicus Leiden is blooming. This Titan Arum, also known as the ‘giant penis plant’, last flowered in 2009.

Pieter Jakob Cosijn (1840-1899) was Leiden University’s first Professor of Germanic and AngloSaxon Philology. A recognised expert in the field of Old English grammar and textual criticism, Cosijn corresponded with various prominent philologists and experts in his field, including Julius Zupitza, Arthur…

Leiden University Centre for Linguistics (LUCL) is one of seven institutes housed within the Faculty of Humanities.

This project examines the intriguing relationship between Greek literary criticism and Latin literature in Rome (first centuries BC and AD).

How have Muslims imagined the world before Muhammad? Stories about pre-Islamic times feature across all genres and periods of Arabic literature, and while many writers have derided the pre-Islamic past as disorderly paganism, others celebrate its memory as a time of Arab nobility and fine literature.…

The purpose of the initiative is to establish Central Asian Studies at Leiden University. Central Asia is a region with fluid borders stretching into present-day Afghanistan, Russia, China, Mongolia, Iran and the Caucasus; a premodern highway of global interaction and today increasingly important as…

This research will investigate which aspects of On the sublime received attention in the intellectual milieu of the seventeenth century and how the sublime found its way in the political and artistic discourse of that time. Thus I aim to shed light on the role of art in politics and society in this…

Media & interaction is where artificial intelligence and machine learning meet philosophy, cognitive science, and the creative arts. Examples of research questions in this domain are: 'Can an algorithm be creative by human standards?', 'Can creative processes, such as composing music or writing poetry,…

The focus will be on recent academic research in Literary Studies at the intersection with Digital Humanities. Lectures and interactive workshops will be given by experts in the field.

Skilful watercolours by botanical painter Esmée Winkel, anatomical flower models and the odd stunning real orchid. In the Extraordinary Orchids exhibition at Oude UB, the Hortus botanicus shows us the wonderful world of the orchid.

A plant that takes metal from the ground all by itself: a natural way to mine or to clean the soil. PhD student Roderick Bouman (Hortus Botanicus Leiden) described a new plant species from Sabah, Borneo, which can be used to extract nickel. In an open access article in Botanical studies, he and the…

Photographing fluorescent flowers, searching for frogs and shooting tropical cucumbers out of trees: this is only a small part of the course Tropical Biodiversity and Field Methods. For this class, master’s students biology traveled to Malaysian Borneo for two weeks to gain experience in fieldwork.…

In September 2023, we started transforming a under-utilised outdoor space into a greener and more biodiverse garden in which all students and staff of the Schouwburgstraat can relax and enjoy.

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.

Mathematical and computational analysis of the dynamics of polar transport of the plant hormone auxin.

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…

What is the effect of light at night on plant phenology and physiology, and how does this affect plant interactions with other species?

The artefacts that still remain from the traditional culture of the indigenous Yukon, Canada, are spread over dozens of museums throughout the world. Yukon Indian Ukjese van Kampen carried out research to bring this culture to light. This is the subject of his dissertation entitled ‘The history of Yukon…

Plant Sciences' contribution to the Development & Disease research theme is to unravel the processes that allow plants to adapt to changing abiotic and biotic environmental conditions or stresses, with the aim to contribute to the sustainable production of food, flowers and bio-based products using…

Coordination chemistry is the chemistry of metal atoms

The Seeger Center for Hellenic Studies at Princeton University annually offers a limited number of Visiting Research Fellowships for scholars in the humanities or the social sciences worldwide, who wish to spend time in residence at Princeton pursuing independent research projects, free of teaching…

Humans have influenced nature since as early as the Ice Age, and over the past century man’s impact has become even greater with our many new technologies and a growing world population. Leiden researchers study this impact and how we can keep it within reasonable limits so that nature can be preserved.…

With a self-converted red camper van, biologists and twin brothers Kevin and Marvin Groen go on a nature adventure in Eastern Europe. Together, they search for wild animals, beautiful nature and places to sport. From a long search for a bear in the Slovakian wilderness to the discovery that pelicans…

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.

Fishing a bike out of the frozen canal, stunningsunsets over Leiden and four plants that flowered for the first time in sixty years in the Hortus Botanicus: this was our year in nine Facebook posts!

Each year, poppies disperse seeds that grow into a new generation of flowers. Sometimes, some of the seeds postpone their germination for a few years, for example when they’re covered by a layer of sand. Only when the sand disappears, do they start to sprout. Margriet Oomen did mathematical research…

Leiden scientists have discovered a new plant genus with two new species at a potential nickel mine site in Indonesia. Remarkable characteristic of the plants: they store manganese in their leaves.