the organ of a parasitic plant that penetrates the host tissues and absorbs food and water from them
Derived forms
haustorial (hausˈtorial)
adjective
Word origin
C19: from New Latin, from Late Latin haustor a water-drawer; see haustellum
Examples of 'haustoria' in a sentence
haustoria
They obtain their nutrients from host plants through specialized feeding structures known as haustoria.
Soledad Sacristán, Marielle Vigouroux, Carsten Pedersen, Pari Skamnioti, Hans Thordal-Christensen,Cristina Micali, James K. M. Brown, Christopher J. Ridout 2009, 'Coevolution between a Family of Parasite Virulence Effectors and a Class of LINE-1Retrotransposons', PLoS ONE10.1371/journal.pone.0007463. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Haustoria are separated from the host cytoplasm by a plant cell-derived extrahaustorial membrane.
Emmersen Jeppe, Zhang Ziguo, Pedersen Carsten, Böhlenius Henrik, Godfrey Dale, Thordal-ChristensenHans 2010, 'Powdery mildew fungal effector candidates share N-terminal Y/F/WxC-motif', BMC Genomicshttp://www.biomedcentral.com/1471-2164/11/317. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Fungal colonization of the rough galls was limited and hyphae and haustoria were encrusted.
Robert A. Schmidt, Thomas Miller, Karina P. Gramacho 2013, 'Comparative Histopathology of Host Reaction Types in Slash Pine Resistant to Cronartiumquercuum f. sp. fusiforme', Forestshttp://www.mdpi.com/1999-4907/4/2/319. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The pathogen also developed haustoria in crr1 mesophyll cells, but failed to sporulate.
Jing Zhao, Yuheng Yang, Donghe Yang, Yulin Cheng, Min Jiao, Gangming Zhan, HongchangZhang, Junyi wang, Kai Zhou, Lili Huang, Zhensheng Kang 2016, 'Characterization and Genetic Analysis of Rice Mutant crr1 Exhibiting Compromised NonhostResistance to Puccinia striiformis f. sp. tritici (Pst)', Frontiers in Plant Sciencehttp://journal.frontiersin.org/Journal/10.3389/fpls.2016.01822/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These haustoria bear typical transfer cell wall invaginations closely associated with the plasma membrane and with mitochondria.
Melva N. Philipson 2014, 'The haustorial synergids of Cortaderia (Gramineae) at maturity', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/3317. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The thickening of the cell wall, modification of the perihaustorial space and protoplast obliteration were observed in the haustoria.
Krystyna Brzezicka-Szymczyk, Władysław Golinowski, Czesław Zamorski 2014, 'Cytological effect of Tilt 250 EC in the successive phases of the Triticale rust diseaseprocess caused by Puccinia recondita f. sp. tritici', Acta Societatis Botanicorum Poloniaehttps://pbsociety.org.pl/journals/index.php/asbp/article/view/871. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)