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Siri Fjellheim

Explore the profile of Siri Fjellheim including associated specialties, affiliations and a list of published articles. Areas
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Articles 33
Citations 398
Followers 0
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Recent Articles
1.
Schat L, Schubert M, Fjellheim S, Humphreys A
Evolution . 2025 Jan; PMID: 39826096
Accumulating evidence is suggesting more frequent tropical-to-temperate transitions than previously thought. This raises the possibility that biome transitions could be facilitated by precursor traits. A wealth of ecological, genetic and...
2.
Stolsmo S, Lindberg C, Ween R, Schat L, Preston J, Humphreys A, et al.
J Exp Bot . 2024 Jul; 75(20):6405-6422. PMID: 39066622
Frost tolerance has evolved many times independently across flowering plants. However, conservation of several frost tolerance mechanisms among distant relatives suggests that apparently independent entries into freezing climates may have...
3.
Kinmonth-Schultz H, Sonstebo J, Croneberger A, Johnsen S, Leder E, Lewandowska-Sabat A, et al.
Plant Cell Environ . 2023 May; 46(11):3337-3352. PMID: 37249162
Conservative flowering behaviours, such as flowering during long days in summer or late flowering at a high leaf number, are often proposed to protect against variable winter and spring temperatures...
4.
Hjertaas A, Preston J, Kainulainen K, Humphreys A, Fjellheim S
Front Plant Sci . 2023 Jan; 13:1048656. PMID: 36684797
Despite most angiosperms being perennial, once-flowering annuals have evolved multiple times independently, making life history traits among the most labile trait syndromes in flowering plants. Much research has focused on...
5.
Paliocha M, Schubert M, Preston J, Fjellheim S
Mol Phylogenet Evol . 2022 Dec; 179:107678. PMID: 36535518
Flowering in response to low temperatures (vernalization) has evolved multiple times independently across angiosperms as an adaptation to match reproductive development with the short growing season of temperate habitats. Despite...
6.
Das A, Dedon N, Enders D, Fjellheim S, Preston J
Mol Ecol . 2022 Nov; 32(4):772-785. PMID: 36420966
Temperate Pooideae are a large clade of economically important grasses distributed in some of the Earth's coldest and driest terrestrial environments. Previous studies have inferred that Pooideae diversified from their...
7.
Kornstad T, Ohlson M, Fjellheim S
Ecol Evol . 2022 May; 12(5):e8915. PMID: 35592071
Polyploid species possess more than two sets of chromosomes and may show high gene redundancy, hybrid vigor, and masking of deleterious alleles compared to their parent species. Following this, it...
8.
Fjellheim S, Young D, Paliocha M, Johnsen S, Schubert M, Preston J
J Exp Bot . 2022 Apr; 73(12):4079-4093. PMID: 35394528
The external cues that trigger timely flowering vary greatly across tropical and temperate plant taxa, the latter relying on predictable seasonal fluctuations in temperature and photoperiod. In the grass family...
9.
Preston J, Fjellheim S
Plant Physiol . 2022 Mar; 190(1):5-18. PMID: 35274728
Evidence suggests that anthropogenically-mediated global warming results in accelerated flowering for many plant populations. However, the fact that some plants are late flowering or unaffected by warming, underscores the complex...
10.
Kinmonth-Schultz H, Lewandowska-Sabat A, Imaizumi T, Ward J, Rognli O, Fjellheim S
Front Plant Sci . 2021 Nov; 12:747740. PMID: 34790213
Temperate species often require or flower most rapidly in the long daylengths, or photoperiods, experienced in summer or after prolonged periods of cold temperatures, referred to as vernalization. Yet, even...