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Gall

 
Saints: Gall

Gall (Gallech, Gilianus) (d. c.630), Irish monk and hermit. Probably from Leinster, Gall became a monk at Bangor under Comgall and Columbanus. With the latter he went to Gaul where they founded monasteries at Annergray and Luxeuil. Exiled from that area they preached around Tuggen, by Lake Zurich, and later were given land for hermitages and as a base for evangelization at Bregenz and later at Arbon (Switzerland). The local king, Sigebert, offered Gall a bishopric, and the monks of Luxeuil on the death of Columbanus' disciple, Eustace, elected Gall as their abbot; but he refused both offices and lived out his days as a hermit and occasional itinerant preacher. There are various legends which tell of some disagreement with Columbanus; however, his monks at Bobbio after his death sent his pastoral staff to Gall as a sign of forgiveness for not going with him to Italy. Gall did not found the Benedictine monastery which bears his name, which (with the town around it) grew up on the site of one of his hermitages, about a century after his death. However, Gall was a principal pioneer of Christianity in Switzerland, although he was a hermit and never bishop or abbot. His cult is very ancient, his name is in early 9th-century martyrologies. His shrine remained until the Reformation: when it was rifled, his bones were seen to be unusually large. His abbey survived until 1805 and the church is now a cathedral. Beside it there remain many manuscripts of the famous abbey library, one of the most notable in Europe and including several early and important manuscripts of Gregorian Chant. Feast: 16 October.

Bibliography
Click here for a list of abbreviations used in this bibliography.

  • Three early Lives of Gall, one anonymous, one by Wetting, and the third by Walafrid Strabo, are edited by B. Krusch, M.G.H., Scriptores rerum merov., iv. 251–337 (tr. of the third by M. Joynt, The Life of St. Gall, 1927); see also AA.SS. Oct. VII (1845), 856–909; J. M. Clark, The Abbey of St. Gall (1926)
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General name for a foreigner in early Irish literature, who may be at different times (a) a Gaul, (b) a Scandinavian invader, (c) an Anglo-Norman or Irishman of Anglo-Norman descent. In Scottish Gaelic the term denotes (a) a Lowlander, (b) any foreigner.

 
Gall (gôl), c.1840-1894, war chief of the Sioux, b. South Dakota. He refused to accept the treaty of 1868 (by which he would have been confined to a reservation), joined Sitting Bull and other dissident chiefs, and was the chief military lieutenant of Sitting Bull in the great defeat of George Armstrong Custer in the battle of Little Bighorn in 1876. He retreated to Canada but, after a quarrel with Sitting Bull about returning to their former lands, returned and surrendered at Poplar, Mont. He became a farmer on the reservation and with his friend James McLaughlin, the Indian agent, did much to improve relations between Native Americans and whites.

Bibliography

See T. B. Marquis, Sitting Bull and Gall (1934).

Wikipedia: Gall
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Kalanchoë infected with crown gall using Agrobacterium tumefaciens.
A detail photo of a crown gall on a Kalanchoë infected with Agrobacterium tumefaciens.

Galls or plant galls are abnormal outgrowths[1] of plant tissues and can be caused by various parasites, from fungi and bacteria, to insects and mites. Galls are often highly organised structures and because of this the cause of the gall can often be determined without the actual agent being identified. This applies particularly to some insect and mite galls.

Contents

Causes of plant galls

Insects

Insect galls are the highly distinctive plant structure formed by some herbivorous insects as their own microhabitats. They are plant tissue which is controlled by the insect. Galls act as both the habitat, and food sources for the maker of the gall. The interior of a gall, formed can contain edible nutritious starch and other tissues. Some galls act as "physiologic sinks", concentrating resources in the gall from the surrounding plant parts.[2] Galls may also provide the insect with physical protection from predators.[3]

Insect galls are usually induced by chemicals injected by the larvae or the adults of the insects into the plants, and possibly mechanical damage. After the galls are formed, the larvae develop inside until fully grown, when they leave. In order to form galls, the insects must seize the time when plant cell division occurs quickly: the growing season, usually spring in temperate climates, but which is extended in the tropics.

The meristems, where plant cell division occurs, are the usual sites of galls, though insect galls can be found on other parts of the plant, such as the leaves, stalks, branches, buds, roots, and even flowers and fruits. Gall-inducing insects are usually species-specific and sometimes tissue-specific on the plants they gall.

Gall-inducing insects include gall wasps, gall midges, gall flies, aphids, and psyllids.

Fungi

One gall-inducing fungus is Cedar-apple rust. Galls are often seen in Pongamia pinnata leaves and fruits. Leaf galls appear like tiny clubs; however, flower galls are globose.

Bacteria and viruses

Crown Gall is an example of a gall-causing bacterium.

Other plants

Mistletoe can form galls on its hosts

Uses

Galls are rich in resins and tannic acid and have been used in the manufacture of permanent inks (such as iron gall ink) and astringent ointments, in dyeing, and in tanning. A high-quality ink has long been made from the Aleppo gall, found on oaks in the Middle East; it is one of a number of galls resembling nuts and called "gallnuts" or "nutgalls". The larvae in galls are useful for a survival food and fishing bait.

Gallery

See also

Footnotes

  1. ^ [1] Merriam-Webster Online Dictionary, accessed Nov. 16, 2007 ("an abnormal outgrowth of plant tissue usually due to insect or mite parasites or fungi and sometimes forming an important source of tannin")
  2. ^ Larson, K. C., and T. G. Whitham. 1991. Manipulation of food resources by a gall-forming aphid: the physiology of sink-source interactions. Oecologia 88, P.15 – 21.
  3. ^ Weis, A. E., and A. Kapelinski. 1994. Variable selection on Eurosta’s gall size. II. A path analysis of the ecological factors behind selection. Evolution 48, P.734 – 745.

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