NDLI: The responses of Vitreoscilla hemoglobin-expressing hybrid aspen (Populus tremula × tremuloides) exposed to 24-h herbivory: expression of hemoglobin and stress-related genes in exposed and nonorthostichous leaves

Content Provider	Springer Nature Link
Author	Sutela, Suvi Ylioja, Tiina Jokipii Lukkari, Soile Anttila, Anna Kaisa Julkunen Tiitto, Riitta Niemi, Karoliina Mölläri, Tiina Kallio, Pauli T. Häggman, Hely
Copyright Year	2013
Abstract	The responses of transcriptome and phenolic compounds were determined with Populus tremula L. × Populus tremuloides Michx. expressing the hemoglobin (Hb) of Vitreoscilla (VHb) and non-transformant (wt) line. After 24-h exposure of leaves to Conistra vaccinii L., the transcript levels of endogenous non-symbiotic class 1 Hb (PttHb1) and truncated Hb (PttTrHb) genes were modestly reduced and increased, respectively, in both wt and VHb-expressing line. Besides the herbivory exposed leaves showing the most significant transcriptome changes, alterations were also detected in the transcriptome of nonorthostichous leaves positioned directly above the exposed leaves. Both wt and VHb-expressing line displayed similar herbivory-induced effects on gene expression, although the extent of responses was more pronounced in the wt than in the VHb-expressing line. The contents of phenolic compounds were not altered due to herbivory and they were alike in the wt and VHb-expressing line. In addition, we determined the relative growth rates (RGRs) of Orthosia gothica L., Ectropis crepuscularia Denis & Schiff. and Orgyia antiqua L. larvae, and found no variation in the RGRs between the lines. Thus, VHb-expressing P. tremula × tremuloides lines showed to be comparable with wt in regards to the food quality of leaves.
Starting Page	795
Ending Page	809
Page Count	15
File Format	PDF
ISSN	09189440
Journal	Journal of Plant Research
Volume Number	126
Issue Number	6
e-ISSN	16180860
Language	English
Publisher	Springer Japan
Publisher Date	2013-06-07
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hybrid aspen Non-symbiotic hemoglobins RGR Truncated hemoglobin vhb Plant Sciences Plant Ecology Plant Physiology Plant Biochemistry
Content Type	Text
Resource Type	Article
Subject	Plant Science

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