-
Haraldsen, Kirsten Borse; Pedersen, Oddvar; Borgen, Liv & Nordal, Inger
(2019).
Rolf Y. Berg – bibliografi .
Blyttia : Norsk botanisk forenings tidsskrift.
ISSN 0006-5269.
77(1),
p. 30–34.
-
Borgen, Liv; Brochmann, Christian; Haraldsen, Kirsten Borse; Nordal, Inger & Pedersen, Oddvar
(2019).
Rolf Yngvar Berg 1925–2018 .
Blyttia : Norsk botanisk forenings tidsskrift.
ISSN 0006-5269.
77(1),
p. 24–30.
-
Nordal, Inger; Borgen, Liv; Haraldsen, Kirsten Borse & Pedersen, Oddvar
(2019).
Et «dypdykk» i et livslangt forsknings-engasjement: Rolf Y. Berg .
Blyttia : Norsk botanisk forenings tidsskrift.
ISSN 0006-5269.
77(1),
p. 35–43.
-
Høiland, Klaus & Borgen, Liv
(2018).
Professor Frederik Christian Schübeler som feltbotaniker.
Blyttia : Norsk botanisk forenings tidsskrift.
ISSN 0006-5269.
76(1),
p. 47–62.
-
Borgen, Liv
(2017).
Frederik Christian Schübelers virke i Botanisk hage på Tøyen under mottoet "Dyrk verdifuldere vekster".
Blyttia : Norsk botanisk forenings tidsskrift.
ISSN 0006-5269.
75,
p. 91–112.
-
Borgen, Liv
(2015).
Intervju om veksthusene i Botanisk hage.
[Radio].
NRK P2 "Ekko" - intervjuet fant sted i Botanisk hage.
-
Borgen, Liv
(2015).
Botanisk hages historie.
-
Østhagen, Haavard & Borgen, Liv
(2015).
Årsmøte DnR i Stavanger 22.-23. mai 2015.
Lapprosen.
ISSN 1504-6702.
18(3),
p. 26–27.
-
Borgen, Liv
(2015).
Bokanmeldelse: Praktverk om norske klosterplanter og norske middelalderklostre.
Blyttia : Norsk botanisk forenings tidsskrift.
ISSN 0006-5269.
73(253).
-
Borgen, Liv
(2015).
Botanisk hage på Tøyen og Frederik Christian Schübelers betydning for norsk hagebruk.
Lokalhistorisk magasin.
ISSN 0802-8931.
p. 4–9.
-
Borgen, Liv & Johansen, Bjørn Vidar
(2014).
Botanisk hage 1814-2014. Historien om en hage,
Botanisk hage 1814-2014. Historien om en hage..
Forlaget Press.
ISSN 9788275477048.
-
Borgen, Liv
(2014).
Botanisk hage 1814-2014.
St. Hallvard.
ISSN 0036-2859.
2,
p. 4–21.
-
Borgen, Liv
(2014).
Botanisk hage grunnlagt i 1814: Viktig for den unge nasjonen.
Apollon : Forskningsmagasin for Universitetet i Oslo.
ISSN 0803-6926.
2,
p. 18–21.
-
Bendiksby, Mika; Tribsch, Andreas; Borgen, Liv; Travnicek, Pavel & Brysting, Anne Krag
(2012).
Revisiting Müntzing's classical textbook example of allotetraploid Galeopsis tetrahit - using molecular tools.
-
Gustafsson, A Lovisa S; Borgen, Liv; Gusarova, Galina & Brochmann, Christian
(2011).
Cryptic Speciation in Arctic Plants.
-
Gustafsson, A Lovisa S; Brochmann, Christian; Gusarova, Galina & Borgen, Liv
(2011).
Cryptic Speciation in the Arctic.
-
Gustafsson, A Lovisa S; Parisod, Christian; Schranz, Eric; Borgen, Liv; Gusarova, Galina & Brochmann, Christian
(2010).
Genetics of Intrinsic Postzygotic Isolation in Draba nivalis (Brassicaceae).
-
Gustafsson, A Lovisa S; Brochmann, Christian; Borgen, Liv & Gusarova, Galina
(2010).
High Biological Species Diversity in the Arctic Flora?
-
Borgen, Liv
(2009).
Hva er et gresskar? Botanikk, systematikk og historikk.
In Ulfeng, A & Ulfeng, I J (Ed.),
Gresskar - mye mer enn Halloween - matglede og botanisk eventyr.
Møklegaards Trykkeri AS.
ISSN 978-82-303-1262-9.
p. 13–27.
-
-
Gustafsson, Lovisa; Borgen, Liv; Gusarova, Galina & Brochmann, Christian
(2009).
High Biological Species Diversity in the Arctic Flora?
-
Borgen, Liv & Guldahl, Ane Senstad
(2009).
Great-Granny’s Garden – A Living Archive and a Sensory Garden.
-
Borgen, Liv
(2008).
Verifisering av hasjplante.
[Newspaper].
VG.
-
Skrede, Inger; Brochmann, Christian; Borgen, Liv & Rieseberg, Loren h
(2008).
Sibling speciation in the diploid, selfing Draba nivalis (Brassicaceae).
-
Skrede, Inger; Borgen, Liv; Brochmann, Christian & Rieseberg, Loren
(2007).
Sibling speciation in arctic diploid Draba (Brassicaceae).
-
Borgen, Liv; Fjellheim, S & Kjos, Mari
(2007).
AFLP data confirm recurrent homoploid hybrid speciation in Argyranthemum (Asteraceae).
-
Skrede, Inger; Borgen, Liv; Brochmann, Christian & Rieseberg, Loren
(2007).
Sibling speciation in arctic diploid Draba (Brassicaceae).
Show summary
Incomplete to fully developed postzygotic sterility barriers within species were recently demonstrated in three circumpolar species of the genus Draba, suggesting numerous sibling species (Grundt et al., 2006; PNAS, 103, 972-975). Because the three species are selfers and of recent, Pleistocene origin, Grundt et al. argued that hybrid sterility evolved quickly and possibly by genetic drift. The present study employs genetic mapping and quantitative trait locus (QTL) analyses to determine whether the sterility has a chromosomal or genic basis and, if the latter, whether the sterility is caused by interactions among alleles at a single locus or by interactions among alleles at different loci. A F2 population of 383 individuals was generated by crossing two Draba nivalis plants, one from Alaska and one from Norway (F1 hybrids were ~30 % fertile). All F2 plants have been tested for pollen viability, seed set, and growth rate, and were on average 62 % fertile for the two fertility measures. A microsatellite-enriched library has been made for Draba, and 50 loci have been genotyped for all individuals. QTL analyses identified five loci underlying seed fertility and two affecting reduced pollen viability. Seed fertility QTLs were weakly underdominant, an observation most consistent with single locus sterility, such as that caused by chromosomal rearrangements. In contrast, pollen sterility QTLs exhibited additive inheritance patterns as might be expected for Dobzhansky-Muller incompatibilities. The small number of sterility QTLs is consistent with results from other plant groups, which imply that fewer loci contribute to hybrid sterility in plants than in Drosophila.
-
Borgen, Liv
(2006).
Ex situ/ conservation and related activities in the Botanical Garden, Natural History Museum, University of Oslo.
-
Skrede, Inger; Borgen, Liv; Brochmann, Christian & Rieseberg, Loren
(2006).
The mechanisms of postzygotic reproductive isolation in Draba nivalis (Brassicaceae).
Show summary
Incomplete to fully developed postzygotic sterility barriers within species were recently demonstrated in three circumpolar species of the genus Draba (Grundt et al., 2006; PNAS, 103, 972-975). Because the three species are selfers and of recent, Pleistocene origin, Grundt et al. argued that hybrid sterility evolved quickly and possibly by genetic drift. The present study employs a combination of QTL and meiotic analyses to determine whether the sterility has a chromosomal or genic basis and, if the latter, whether the sterility is caused by interactions among alleles at a single locus or by interactions among alleles at different loci. We have generated an F2 population of ~400 individuals by crossing Draba nivalis plants from Alaska and Norway (F1 hybrids were ~50% fertile). All F2 plants have been tested for pollen viability, seed set, and biomass. To genotype the F2 population, a microsatellite-enriched library has been made for Draba, and 60 microsatellites have been developed. So far, 23 markers have been analyzed for all individuals.
-
Borgen, Liv
(2006).
Presentasjon av urtehagen i Botanisk hage.
-
Borgen, Liv
(2005).
Plantearven - vårt felles ansvar.
Palmebladet.
ISSN 1503-4593.
6,
p. 6–8.
-
Borgen, Liv; Jørgensen, Marte Holten & Obermayer, Renate
(2005).
Why is it so difficult to obtain high quality AFLP profiles in Argyranthemum?
-
Obermayer, Renate; Grundt, Hanne Hegre & Borgen, Liv
(2005).
Ploidy patterns in the arctic-alpine polyploid Draba lactea Adams (Brassicaceae) and its low-ploid relatives.
-
Borgen, Liv; Jørgensen, Marte & Obermayer, Renate
(2005).
Why is it so difficult to obtain high quality AFLP profiles in Argyranthemum?
-
Borgen, Liv
(2004).
Planter til nytte og glede, død og fordervelse.
-
Borgen, Liv
(2004).
Medisinplanter i norsk natur.
-
Borgen, Liv
(2004).
Historien om et levende fossil, urtidstreet Metasequoia glyptostroboides.
Blyttia : Norsk botanisk forenings tidsskrift.
ISSN 0006-5269.
62,
p. 63–66.
-
Borgen, Liv
(2004).
Fjellhagen - noen av høydepunktene i sommerhalvåret.
Palmebladet.
ISSN 1503-4593.
3,
p. 3–5.
-
Borgen, Liv
(2004).
Botanisk hages bestyrer 1866-1892, Frederik Christian Schübeler.
Palmebladet.
ISSN 1503-4593.
4,
p. 2–3.
-
Borgen, Liv
(2004).
Rapport fra en studiereise.
Palmebladet.
ISSN 1503-4593.
4,
p. 21–23.
-
Obermayer, Renate; Grundt, Hanne Hegre & Borgen, Liv
(2004).
Monitoring ploidy patterns in arctic-alpine polyploid Draba lactea Adams (Brassicaceae) and its low-ploid relatives.
-
Borgen, Liv
(2003).
Conservation of important horticultural plants in European Botanic Gardens: a case study from Norway.
Scripta Botanica Belgica.
ISSN 0779-2387.
-
Borgen, Liv
(2003).
Februarblomstring i Botanisk hage i Oslo.
Norsk hagetidend : populært tidsskrift for hagedyrkere.
ISSN 0029-1986.
-
Borgen, Liv
(2003).
Gresskar og Halloween i Botanisk hage - mangfold og glede, grøss og gru.
Palmebladet.
ISSN 1503-4593.
1,
p. 9–10.
-
Borgen, Liv
(2003).
Gresskar.
Palmebladet.
ISSN 1503-4593.
1,
p. 11–12.
-
Borgen, Liv
(2003).
Fjellhagen.
Palmebladet.
ISSN 1503-4593.
2,
p. 3–6.
-
Brochmann, Christian; Brysting, Anne Krag; Grundt, Hanne Hegre; Borgen, Liv & Elven, Reidar
(2003).
Polyploidy in arctic plants.
-
Borgen, Liv
(2002).
Vår i Kew Gardens.
-
Grundt, Hanne Hegre; Popp, M.; Borgen, Liv; Elven, Reidar; Brochmann, Christian & Oxelman, B.
(2002).
The history of the circumpolar allopolyploid Draba lactea based on homoeologous nuclear DNA sequences.
-
Borgen, Liv
(2002).
Bevaring av plantegenetiske ressurser i klonarkiv.
-
Borgen, Liv
(2002).
Parnassia palustris: a genetically diverse species in Scandinavia.
-
Borgen, Liv
(2001).
Fra naturens verden.
[Radio].
Oslo. : Radioens P1..
-
Borgen, Liv
(2000).
Legeplanter i norsk flora. I.
Våre nyttevekster.
ISSN 0332-7280.
95,
p. 54–61.
-
Borgen, Liv
(2000).
Legeplanter i norsk flora. II.
Våre nyttevekster.
ISSN 0332-7280.
95,
p. 92–104.
-
Borgen, Liv
(2000).
Purpursolhatt, Echinacea purpurea.
Botaniske Ark.
3.
-
Borgen, Liv
(2000).
Eseltistel, Onopordon acanthium.
Botaniske Ark.
4.
-
Borgen, Liv
(2000).
Dufthagen på Tøyen.
Guidehefte til Botanisk hages "Dufthage". Botanisk hage og museum..
-
Borgen, Liv
(2000).
The Rock Garden.
Highlights. Selected atractions Natural History Museums and Botanical Garden..
p. 8–17.
-
Borgen, Liv
(1999).
Glimt fra humlens og humlehagenes historie i Norge.
Våre nyttevekster.
ISSN 0332-7280.
94,
p. 45–56.
-
Scheen, Anne-Cathrine; Brochmann, Christian; Spjelkavik, S.; Borgen, Liv & Elven, Reidar
(1999).
The Draba lactea/fladnizensis complex (Brassicaceae) in Svalbard: relationships and evolution within the group.
-
Bjureke, Kristina; Borgen, Liv; Finnanger, Anne & Skinnarland, Nils Ifver
(2002).
Gresskar - mangfold og glede, grøss og gru.
Universitetets naturhistoriske museer og botaniske hage.
-
Borgen, Liv
(2000).
Kompendium i enzymelektroforese. Lab.-manual for BB 300, Botanikk, innføringskurs til hovedfag. [Oppdatert versjon.].
Universitetet i Oslo.