- Seed Hunter visits genebank. Not many people hurt.
- I’d like to visit this Corn Palace.
- Rice domestication: not once, not twice, three times. Well, really, who’s to say maybe even more than that? Maybe even in Australia?
- Solomon Islands cacao wins award. Looking forward to tasting it one day. But is it certified?
- Bread, Wine, Chocolate: The Giveaway.
- Researchers hoping to science the shit out of threat to Thanksgiving.
- Genetic resources and gastronomy in Brazil.
- Pineapple gets a genome.
- Sunflower saves soybean? What wizardry is this?
Brainfood: Wild maize, Elderberry phenolics, Barley & boron, Land sparing trifecta, Sustainable diets, Chinese apple diversity, Turkish okra diversity, Barcoding yams, Plant diversity levels, Biotic velocity
- Presence of Zea luxurians (Durieu and Ascherson) Bird in Southern Brazil: Implications for the Conservation of Wild Relatives of Maize. Well there’s a turnup for the books.
- Fruit Phenolic Composition of Different Elderberry Species and Hybrids. Some interspecific hybrids have high phenolics levels.
- Diversity in boron toxicity tolerance of Australian barley (Hordeum vulgare L.) genotypes. There’s variation beyond the 4 known boron tolerance loci.
- Agriculture and the threat to biodiversity in Sub-Saharan Africa. Intensification is good for biodiversity, but not yet.
- Land for Food & Land for Nature? The former, according to modelling. But it depends. See above.
- Wildlife-friendly farming increases crop yield: evidence for ecological intensification. Trifecta!
- Is a Cardio-Protective Diet Sustainable? A Review of the Synergies and Tensions Between Foods That Promote the Health of the Heart and the Planet. Yes, but it will take some work.
- Genetic diversity of Malus cultivars and wild relatives in the Chinese National Repository of Apple Germplasm Resources. The varieties from the former Soviet republics and Japan are different to each other and to the canonical European/North American/Chinese material.
- Genetic and phenotypic variation of Turkish Okra (Abelmoschus esculentus L. Moench) accessions and their possible relationship with American, Indian and African germplasms. Turkish okra comes from all over the place.
- DNA barcoding of the main cultivated yams and selected wild species in the genus Dioscorea. 16/21 species I guess is a start.
- Plant responses to climatic extremes: within-species variation equals among-species variation. For a bunch of European grassland plants, within species variation in response to climate was as high as that among species.
- Biotic and Climatic Velocity Identify Contrasting Areas of Vulnerability to Climate Change. Tropical species can’t move fast enough.
Nibbles: EATx Cali, Gourds, Armenian wine, Wheat chemistry, Genomics of domestication, Soybean breeding
- Svalbard among things being discussed at EATx Cali today. Who knows, maybe other genebanks too?
- The cucumber’s wilder relatives.
- Armenian wine going back to the future.
- Whole grains deconstructed.
- Unpicking domestication in chickens and cattle. And the original paper on the latter, featuring the aurochs genome.
- Breeders have bred omega-3 alpha-linolenic acid (ALA) out of soybeans, but are now going back to wild relatives to breed it back in.
What are genebanks for?
I’ve spent the past few days in the company of people who manage genebanks, and right off the bat I want to say what good people they are. While I knew some of them individually before, I’ve never seen them gathered together. ((And just what is the collective noun for genebank managers? A coldstore? An accession? No, that can’t be right.)) I was impressed by how friendly, open, collegial and downright pleasant they were. And they have some weighty matters on their collective mind.
One is the very notion of what a genebank is, or ought to be. This arose in part because, at least according to Google trends, interest in “genebanks” and “gene banks” seems to be waning slowly. Is that because people use a different term, like seedbank or seed bank? Possibly so; but I also think that there may be a difference, at least between in the way genebank managers use the terms and the way the general public uses them.
A seedbank contains seeds. It ought also to contain information about those seeds, but the information will generally be related to aspects of the plants from which the seeds came. How and where does it grow, what does it taste like, which pests and diseases does it succumb to and which does it resist; how much water does it need, how much cold or heat can it withstand; phenotypic information. There is also, I think, an idea that the seeds are in the bank to be withdrawn, maybe as soon as the next planting season if things have gone wrong. Farmers and communities may maintain their own seed banks as insurance, but only for a few seasons. Larger seedbanks may be open to a wider community and store their seeds somewhat longer, but essentially they keep just seeds and phenotypic information.
Genebanks too keep seeds and phenotypic information, and make them available, but generally to breeders who want the seeds not for what they are but for what they contain: their genes. Furthermore, in addition to keeping what’s known as an active collection, of material that can be shared on demand, genebanks also keep a collection in long-term storage, and that’s often much larger than the active collection. Because the people who use genebanks are more interested in the genetic traits within the seed, and because of the rapid development of shiny whizz-bang tools to rapidly obtain bucketfuls of genetic information, many genebanks managers now regard gathering, storing and making available genetic information alongside (or even instead of) the seeds themselves an essential trait that genebanks do not share with seedbanks.
They may be onto something. They are certainly bringing to light some very interesting science along the way, much of it directly useful in genebank management. Genetic information is helping to identify samples that are not what they say they are on the label. In many cases genome information can reduce the size of the haystack through which breeders have to search for the needle they want to find. In other cases people are sitting on mountains of information and are actually looking for ways to use those data to improve the value of the collections they manage. In yet others they can use genetic information to gain insights into how samples have changed since they were first collected.
So genebank managers are adding genetic information because it makes the seeds in the genebank that much more useful. And for everyone in the room, there was absolutely no question that the abiding reason for genebanks to exist is to ensure that breeders have access to as much biodiversity as possible so that they can select new varieties that will perform better than existing varieties. Genetic information helps with that process, but would be worthless if the seeds from which it was obtained were no longer available, so long-term storage — in perpetuity, to use their favoured phrase — is absolutely essential.
Here is where it gets tricky. The problem for genebanks has always been funding. They are at the mercy of donor vacillations, and it doesn’t matter whether the source of funding is a philanthropist, an aid organisation or a national government. Support needs to be dependable. That’s why the Global Crop Diversity Trust seemed to be such a good idea. It’s original premise was simple: raise an endowment large enough so that genebanks could be funded forever on the interest. Unfortunately, the endowment has been a long time materialising.
But if the genebank managers see clearly the point of what they’re doing, why don’t donors? Some just have cold feet at the idea of handing a bunch of money over to an endowment and losing control of it. I don’t myself understand how that differs from handing over a smaller bunch of money every year and still losing control of it. Can’t they see that if they could find it in their hearts and wallets to hand over a bigger bunch, they would be off the hook, forever? No more moaning each funding cycle about how donors are destroying the system, just unending gratitude.
Ah, but is it worth it? Yes. The economic case for preserving seeds simply ought not to need making any more. The number of examples in which some “miserable” specimen has added squillions to productivity is legion. And the cost is so small against the benefits that it is a waste of money even to ask for an accurate assessment.
Maybe I’m too skeptical, but I do worry that if donors haven’t funded the endowment yet, maybe they never will. I was with the genebank managers to talk about communication and the need to have a clear idea of whose behaviour you want to change before you try to change it. I closed with two warnings that scientists in particular, steeped as they are in the idea that you listen to the data, need to hear.
The first is from Jonathan Swift: “It is useless to attempt to reason a man out of a thing he was never reasoned into.”
The second is from Upton Sinclair: “It is difficult to get a man to understand something, when his salary depends on his not understanding it.”
I only wish I could work out how the people who aren’t willing to fund genebanks formed that belief, and how their salaries depend on it.
Brainfood: Pigeonpea gaps, Indian rice diversity, Brazilian melons, Ifugao terraces, Collard greens, Climate analogues, Brachiaria diversity, Philosophy of genebanks, Wild barley & drought, Pepper valuation
- Identification of Gaps in Pigeonpea Germplasm from East and Southern Africa Conserved at the ICRISAT Genebank. Lots of collecting work to do.
- Rice Diversity – The Genetic Resource Grid of North-East India. 10,000 cultivars?
- Diversity of Melon Accessions from Northeastern Brazil and Their Relationships with Germplasms of Diverse Origins. Have come from all over.
- Disentangling Values in the Interrelations between Cultural Ecosystem Services and Landscape Conservation—A Case Study of the Ifugao Rice Terraces in the Philippines. They may be beautiful, but they need to be profitable.
- Genetic Diversity and Population Structure of Collard Landraces and their Relationship to Other Brassica oleracea Crops. Collard can be used as a source of diversity for other brassicas.
- Climate Analogues for agricultural impact projection and adaptation – a reliability test. Fail.
- Genetic Diversity and Structure of Ruzigrass Germplasm Collected in Africa and Brazil. The move from Africa to Brazil did not too adversely affect the diversity of this important forage Brachiaria.
- Saving the gene pool for the future: Seed banks as archives. “Decisions about how to salvage the past are always, necessarily, about how we value the future.”
- Response of Cultivated and Wild Barley Germplasm to Drought Stress at Different Developmental Stages. The wild is better.
- Screening Genetic Resources of Capsicum Peppers in Their Primary Center of Diversity in Bolivia and Peru. Different entrepreneurs in different countries value local peppers differently.