- Past rapid spread of introduced livestock coincided with vegetation clearance on Madagascar. Ancient sheep, goat and cattle bones show livestock racing across the island about 1,200 years ago, in step with forest clearance and the loss of elephant birds and pygmy hippos. People had arrived long before, so hunting alone is an insufficient culprit. Also I can’t imagine pygmy hippos being all that nice to eat.
- Paleogenomic insight into the collapse, recovery, and management of American bison. 115 ancient and 45 modern genomes show that past bison populations were widely connected, which means that today’s herds, while more fragmented, retain more diversity than was feared. Also, many modern bison lack the cattle ancestry long assumed to be ubiquitous, but wood bison do carry plains bison ancestry from 1920s translocations. So, swings and roundabouts.
- Whole-genome resequencing reveals genetic diversity, population structure, and selection signatures in tibetan yak. Three recently recognised Xizang populations (Chawula, Jila and Niangya) prove genetically richer than many others and cluster with Yushu and wild yak. Selection signals turn up at coat colour genes such as MC1R and at candidates for meat production. Has anyone done selection signals in bison?
- Selection of a phenotypic and functional core set for South Korean silkworm genetic resources, Bombyx mori (Lepidoptera: Bombycidae). A core set is distilled from a larger collection on multiple morphological, physiological and quality criteria, a manageable shortlist so the genebank’s holdings can be more easily used rather than merely admired. What would a core collection for the bison look like, I wonder?
- Impact of genomic selection on genetic diversity in 5 local European cattle breeds. Genomic selection uses DNA information from across an animal’s genome to predict its breeding value, allowing breeders to select animals likely to pass desirable traits to their offspring earlier and more accurately than relying on observed characteristics or pedigree alone. But can it be bad for genetic diversity if applied to a small local breed? Well, it shortened sire generation intervals and evened out top-sire contributions, but inbreeding rose in two breeds and fell in three. Genetic management mattered more than genomic selection, so the lesson is to monitor, and adjust as needed. Possibly relevant to the bison?
- Adoption of support tools for biodiversity conservation: a mixed-methods analysis of ecosystem services awareness among Slovenian cattle farmers. Livestock farmers who are younger and with more positive attitudes to biodiversity and the European Green Deal are more likely to adopt biodiversity-supporting practices. Knowing this could have saved many pigmy hippos 1,200 years ago in Madagascar.
- A national fish pond dataset for Nigeria generated using automated detection and segmentation. A segmentation model run over imagery, with a Random Forest classifier filtering the candidates, yields an openly released map of aquaculture production that was previously hard to see, let alone manage.
- Pathways to recover Asian wild pigs from African swine fever. Since 2018 the virus has caused huge mortality in naive wild pig populations, and the authors set out eight priority actions, with early-warning surveillance, captive breeding and emergency financing the ones that can’t wait. Free-ranging domestic pigs and thin biosecurity at the wildlife-livestock interface keep kind of bring us back to where we began on Madagascar.
Nibbles: Pasiega cow, Goat-cow, Badri cow, Zimbabwe festival, Heirloom apples, South Korea genebank, Marmottier, Radiation breeding
- Cantabria is putting the Pasiega cow in the bank. Just in case.
- Spain’s “goat-cows” are fighting wildfires the old-fashioned way: by eating the fuel. I hope they’re in the bank too.
- India has made a Badri calf in a lab. Conservation meets IVF.
- Old apples are having a revival. Turns out forgotten apple varieties can taste pretty good. Well I never, is it that time of year already?
- Zimbabwe’s Mbire district celebrates seed, food and culture with a festival. What, no cows? Or apples?
- South Korea is looking for partners to save climate-resilient plants. A seed vault is better with friends.
- The marmottier can’t decide whether it’s a plum or an apricot. Botanists sympathise.
- In the atomic age, gardeners irradiated seeds and waited for something interesting to grow. Sometimes it did.
Character study
Do you work in a national genebanks? If so, you might want to take a survey on your “molecular characterisation capacity, infrastructure, policy environment, and interest in future DSI collaboration with CGIAR.”
Brainfood: Indigenous edition
- Rapid adaptive increase of amylase gene copy number in Indigenous Andeans. Indigenous Andean populations evolved exceptionally high copy numbers of the AMY1 salivary amylase gene, likely linked to long-term adaptation to starch-rich diets associated with potato domestication roughly 10,000 years ago.
- Horse genetics, archaeology, and the beginning of riding. Horse domestication was not a sudden genetic event beginning around 2200–2100 BCE, but a long and regionally varied process in which Indigenous Eurasian pastoralists progressively managed, rode, milked and selectively bred multiple horse lineages over many centuries, transforming mobility and social organization well before the rise of the dominant modern domestic horse lineage.
- Bridging biodiversity and food systems: A nationwide synthesis of non-conventional food plants (PANCs) in Brazil. Brazil’s non-conventional food plants (PANCs) and associated Indigenous and traditional knowledge could help build more diverse, climate-resilient and socially inclusive food systems while strengthening biodiversity conservation, rural livelihoods and public food programs.
- Indigenous Wisdom for a Changing World: Bridging Traditional Ecological Knowledge and Biodiversity Conservation. Sacred groves and other community-managed landscapes in central Ethiopia conserve high levels of biodiversity through Indigenous institutions, ritual practices and traditional ecological knowledge, suggesting that effective conservation depends on treating cultural stewardship systems as integral to ecological resilience rather than as secondary to scientific management.
- When Knowledge Isn’t Free: Legal and Ethical Imperatives of Protecting Indigenous Intellectual Property. There’s a persistent mismatch between Western intellectual-property regimes and Indigenous concepts of collective ownership, biocultural heritage and intergenerational custodianship of knowledge, and that’s unfair.
- Crediting and citing Indigenous Knowledges within research. Biodiversity conservation becomes more effective when Indigenous scientists and communities participate as equal partners rather than merely as local stakeholders or informants.
Brainfood: Targets, Plant Treaty, Decolonization, Fonio germination, Recalcitrant seeds, Microbiome, Taro seed system
- Status and future of seed conservation of threatened plants in the post-2020 era. 21% of threatened plants are conserved in genebanks across 44 countries in Europe and western Asia. Not bad, but not good enough. I wonder how many of those 21% will be of interest to breeders?
- How the international treaty on plant genetic resources for food and agriculture can support effective germplasm exchange: four Colombian case studies. The Plant Treaty can really help a country’s genebanks and breeders drive agricultural development, given half a chance.
- Reconciliation or re-colonization? Critical perspectives on seed banking and colonialism. Indigenous communities need to be careful in collaborating with genebanks and breeders.
- Impacts of climate change on fonio millet: seed germination ecology and suitability modelling of an indigenous West African cereal. Climate change will screw up the germination of fonio in some places, so genebanks and breeders better get cracking.
- Euterpe edulis seed recalcitrance: difficult, yes, but not impossible to genebank. Tricky seed storage behaviour need not deter genebankers.
- Accelerated aging caused diversity and specificity loss in the bacterial communities of Brassica napus seedlings. Genebanks should be careful with their seed aging experiments, because they might screw up the seed microbiome.
- Understanding Biotic Constraints to Taro (Colocasia esculenta) Production in the Derived Savanna and Humid Forest Agroecosystems of Nigeria. Genebanks need seed systems though.